remove unneeded cleanup from travis config
remove unneeded cleanup from travis config

Signed-off-by: Evan Hazlett <7e61ed261aef9abaa71fd4c2127eb6cb9f01ce10@gmail.com>

denverdino/docker.github.io,sanscontext/docker.github.io,paultag/machine,faijaz/docker-machine,exoscale/docker-machine,dskora/machine,frapposelli/machine,yanzay/machine,allingeek/machine,menglingwei/machine,cab105/machine,TrumanLing/machine,joelea/machine,rdgreis/machine,usmanismail/machine,jeanlaurent/machine,tpires/machine,wzymaster/machine,ocean/machine,crunchywelch/machine,pdxjohnny/machine,hypriot/machine,JohnKDay/machine,joeuo/docker.github.io,rwilliams/machine,bdwill/docker.github.io,kunalkushwaha/machine,rwilliams/machine,amylindburg/machine,Kast0rTr0y/docker-machine,carolynvs/machine,jsirois/machine,denmat/machine,denverdino/machine-1,jpressnell/machine,ggiamarchi/machine,jlusiardi/machine,yut148/machine,jzwlqx/denverdino.github.io,jgsqware/machine,euank/machine,docker/docker.github.io,anweiss/docker.github.io,trecloux/machine,jhoos/machine,pragkent/machine,menglingwei/denverdino.github.io,robvanmieghem/machine,sanscontext/docker.github.io,bdwill/docker.github.io,jmelis/machine,docker-zh/docker.github.io,ibuildthecloud/machine,denverdino/denverdino.github.io,evq/machine,flavio/machine,imikushin/machine,legal90/machine,kacole2/machine,cab105/machine,bdwill/docker.github.io,anshulr/machine,jarosser06/machine,Parallels/docker-machine,joaofnfernandes/docker.github.io,trecloux/machine,anweiss/docker.github.io,surgeforward/machine,akolpakov/machine,JimGalasyn/docker.github.io,shubheksha/docker.github.io,joeuo/docker.github.io,ocean/machine,sanscontext/docker.github.io,thaJeztah/docker.github.io,alexisbellido/docker.github.io,gerred/machine,j3tm0t0/machine,aduermael/docker.github.io,slowteetoe/machine,bookerzzz/machine,jeffellin/machine,cgvarela/machine,cjellick/machine,hironobu-s/machine,shin-/docker.github.io,dmp42/machine,gerred/machine,zchee/machine,emsi/machine,rillig/docker.github.io,aidora/yont,bdwill/docker.github.io,phiroict/docker,xinxian0458/machine,juliengarcia/machine,danix800/docker.github.io,steeve/machine,MHBauer/machine,abstractitptyltd/machine,nunofgs/docker-machine,euank/machine,jpressnell/machine,alexisbellido/docker.github.io,tyrken/machine,rdgreis/machine,JimGalasyn/docker.github.io,menglingwei/denverdino.github.io,londoncalling/machine,beni55/machine,phiroict/docker,hironobu-s/machine,miqui/machine,ddaze/machine,dskora/machine,mjhea0/machine,jkingyens/machine,marsmensch/machine,bookerzzz/machine,jkingyens/machine,zehicle/machine,bfirsh/machine,ekristen/machine,docker-zh/docker.github.io,londoncalling/docker.github.io,cgvarela/machine,NeilW/machine,bgokden/machine,LuisBosquez/docker.github.io,rawkode/machine,askb/machine,anweiss/docker.github.io,ehazlett/machine,bwahn/machine,databus23/machine,docker/docker.github.io,JohnKDay/machine,thaJeztah/docker.github.io,ksasi/machine,dmp42/machine,kunalkushwaha/machine,shin-/docker.github.io,jlusiardi/machine,ppadala/machine,denverdino/docker.github.io,akolpakov/machine,shubheksha/docker.github.io,danix800/docker.github.io,dudymas/machine,docker-zh/docker.github.io,docker-zh/docker.github.io,titanlien/machine,StackPointCloud/machine,zchee/machine,ravolt/docker-machine,pragkent/machine,thaJeztah/docker.github.io,feelobot/machine,brandoncc/machine,Qwinix/docker-machine-vmware,atsaki/machine,unodba/machine,hypriot/machine,menglingwei/denverdino.github.io,sjfloat/machine,alindeman/machine,joeuo/docker.github.io,bgokden/machine,s7v7nislands/machine,jlusiardi/machine,gdevillele/docker.github.io,OpenNebula/machine,jkingyens/machine,aduermael/docker.github.io,shubheksha/docker.github.io,zchee/machine,menglingwei/machine,denverdino/machine,chantra/machine,wlan0/machine,legal90/machine,rowancarr/machine,bgokden/machine,miqui/machine,jzwlqx/denverdino.github.io,troy0820/docker.github.io,rowancarr/machine,danix800/docker.github.io,joaofnfernandes/docker.github.io,NeilW/machine,skatsuta/machine,Grynn/machine,SvenDowideit/machine,NeilW/machine,xiaohui/machine,sebadiaz/machine,londoncalling/docker.github.io,ibuildthecloud/machine,gdevillele/docker.github.io,Grynn/machine,TrumanLing/machine,kacole2/machine,thaJeztah/docker.github.io,BSWANG/denverdino.github.io,alexisbellido/docker.github.io,mjtrefethen/machine,amylindburg/machine,sanscontext/docker.github.io,rupakg/machine,otherjason/machine,vovimayhem/machine,joyent/machine,shot/machine,allingeek/machine,atsaki/machine-2,thaJeztah/machine,schatt/machine,flavio/machine,trecloux/machine,voutilad/machine,MHBauer/machine,LuisBosquez/docker.github.io,johnstep/docker.github.io,dudymas/machine,dweomer/docker-machine,thaJeztah/machine,jeffellin/machine,evq/machine,tyrken/machine,pdxjohnny/machine,hironobu-s/machine,abstractitptyltd/machine,Herbis/machine,kechol/machine,marsmensch/machine,binario200/machine,denverdino/docker.github.io,LaynePeng/machine,troy0820/docker.github.io,rillig/docker.github.io,larsla/machine,sjfloat/machine,cvstebut/machine,pottava/machine,voutilad/machine,emsi/machine,wzymaster/machine,cpuguy83/machine,troy0820/docker.github.io,ppadala/machine,docker/docker.github.io,carolynvs/machine,erikdejonge/machine,atsaki/machine,csakoda/machine,denverdino/machine,errordeveloper/machine,schatt/machine,londoncalling/docker.github.io,larsla/machine,databus23/machine,robertbreker/machine,aidora/yont,jzwlqx/denverdino.github.io,davidstosik/machine,StackPointCloud/machine,sausheong/machine,jsirois/machine,SvenDowideit/machine,ubiquityhosting/machine,feelobot/machine,sebadiaz/machine,shubheksha/docker.github.io,davidstosik/machine,tyrken/machine,whilp/machine,soleo/machine,londoncalling/docker.github.io,joyent/machine,bookerzzz/machine,jarosser06/machine,wzymaster/machine,deitch/machine,erikdejonge/machine,alexisbellido/docker.github.io,databus23/machine,wlan0/machine,atsaki/machine-2,tpires/machine,carloreggiani/machine,davidstosik/machine,denmat/machine,BSWANG/denverdino.github.io,docker/machine,miqui/machine,cpuguy83/machine,londoncalling/docker.github.io,gdevillele/docker.github.io,crunchywelch/machine,whilp/machine,duglin/machine,vovimayhem/machine,jmelis/machine,jeffellin/machine,CenturyLinkLabs/machine,jgsqware/machine,kunalkushwaha/machine,denverdino/docker.github.io,Qwinix/docker-machine-vmware,13W/machine,phiroict/docker,paultag/machine,slashk/machine,OpenNebula/machine,shubheksha/docker.github.io,gerred/machine,Kast0rTr0y/docker-machine,anshulr/machine,denverdino/machine-1,joeuo/docker.github.io,troy0820/docker.github.io,ppadala/machine,joaofnfernandes/docker.github.io,atsaki/machine,dnephin/machine,ubiquityhosting/machine,ddaze/machine,alindeman/machine,beni55/machine,docker/machine,clintonskitson/machine,shin-/docker.github.io,soleo/machine,jasisk/machine,beni55/machine,joaofnfernandes/docker.github.io,moxiegirl/machine,aduermael/docker.github.io,robinbb/machine,surgeforward/machine,CenturyLinkLabs/machine,ekristen/machine,menglingwei/machine,sanscontext/docker.github.io,pragkent/machine,errordeveloper/machine,jasisk/machine,allingeek/machine,asalhamed/machine,wlan0/machine,xinxian0458/machine,docker/docker.github.io,kacole2/machine,askb/machine,robvanmieghem/machine,robertbreker/machine,aduermael/docker.github.io,shin-/docker.github.io,pottava/machine,ksasi/machine,ggiamarchi/machine,imikushin/machine,bwahn/machine,jhoos/machine,nunofgs/docker-machine,menglingwei/denverdino.github.io,jzwlqx/denverdino.github.io,slashk/machine,jgsqware/machine,OpenNebula/machine,s7v7nislands/machine,bdwill/docker.github.io,LuisBosquez/docker.github.io,JimGalasyn/docker.github.io,wenlock/machine,shot/machine,BSWANG/denverdino.github.io,clintonskitson/machine,gdevillele/docker.github.io,blueyed/machine,laveolu/machine,otherjason/machine,anweiss/docker.github.io,steeve/machine,shin-/docker.github.io,ubiquityhosting/machine,mjhea0/machine,titanlien/machine,usmanismail/machine,jsirois/machine,joeuo/docker.github.io,menglingwei/denverdino.github.io,duglin/machine,djfarrelly/machine,slowteetoe/machine,cjellick/machine,BSWANG/denverdino.github.io,skippbox/kmachine,deitch/machine,StackPointCloud/machine,rillig/docker.github.io,dudymas/machine,robinbb/machine,mark-adams/machine,phiroict/docker,xinxian0458/machine,mark-adams/machine,moxiegirl/machine,londoncalling/machine,ravolt/docker-machine,denverdino/docker.github.io,wenlock/machine,juliengarcia/machine,asalhamed/machine,juliengarcia/machine,sjfloat/machine,blueyed/machine,errordeveloper/machine,jhoos/machine,alexisbellido/docker.github.io,seegno-forks/machine,LuisBosquez/docker.github.io,aperepel/machine,yut148/machine,LaynePeng/machine,wenlock/machine,johnstep/docker.github.io,robertbreker/machine,titanlien/machine,justintung/machine,JimGalasyn/docker.github.io,denverdino/machine,cab105/machine,otherjason/machine,usmanismail/machine,JimGalasyn/docker.github.io,denverdino/denverdino.github.io,docker/docker.github.io,moxiegirl/machine,seegno-forks/machine,cvstebut/machine,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,vovimayhem/machine,soleo/machine,johnstep/docker.github.io,xiaohui/machine,joelea/machine,sausheong/machine,mjtrefethen/machine,LuisBosquez/docker.github.io,gdevillele/docker.github.io,exoscale/docker-machine,rillig/docker.github.io,carolynvs/machine,tpires/machine,rwilliams/machine,bwahn/machine,danix800/docker.github.io,dweomer/docker-machine,ksasi/machine,frapposelli/machine,jeanlaurent/machine,johnstep/docker.github.io,j3tm0t0/machine,johnstep/docker.github.io,brandoncc/machine,djfarrelly/machine,skatsuta/machine,faijaz/docker-machine,zehicle/machine,thaJeztah/machine,denverdino/denverdino.github.io,bfirsh/machine,shot/machine,aperepel/machine,dnephin/machine,JohnKDay/machine,denverdino/denverdino.github.io,unodba/machine,yanzay/machine,thaJeztah/docker.github.io,sebadiaz/machine,joaofnfernandes/docker.github.io,faijaz/docker-machine,phiroict/docker,yanzay/machine,chantra/machine,xiaohui/machine,rowancarr/machine,jeanlaurent/machine,laveolu/machine,Parallels/docker-machine,anweiss/docker.github.io,kechol/machine,skatsuta/machine,askb/machine,Grynn/machine,rawkode/machine,pdxjohnny/machine,binario200/machine,ehazlett/machine,cvstebut/machine,jmelis/machine,Herbis/machine,BSWANG/denverdino.github.io,justintung/machine,pottava/machine,dgageot/machine,csakoda/machine,carloreggiani/machine,13W/machine,rupakg/machine,denverdino/denverdino.github.io,dgageot/machine,skippbox/kmachine,robvanmieghem/machine