Clean up environment variable docs
Clean up environment variable docs

Signed-off-by: Aanand Prasad <94fc4f3e3d0be608b3ed7b8529ff28d2a445cce1@gmail.com>

ph-One/compose,GM-Alex/compose,tangkun75/compose,jeanpralo/compose,JimGalasyn/docker.github.io,runcom/compose,amitsaha/compose,philwrenn/compose,GM-Alex/compose,jonaseck2/compose,anweiss/docker.github.io,schmunk42/compose,mdaue/compose,Dakno/compose,dnephin/compose,ionrock/compose,cgvarela/compose,bdwill/docker.github.io,DoubleMalt/compose,denverdino/docker.github.io,lmesz/compose,denverdino/denverdino.github.io,simonista/compose,unodba/compose,aanand/fig,shubheksha/docker.github.io,lukemarsden/compose,Yelp/docker-compose,TomasTomecek/compose,gtrdotmcs/compose,jessekl/compose,sebglazebrook/compose,funkyfuture/docker-compose,gdevillele/docker.github.io,gdevillele/docker.github.io,mnuessler/compose,shubheksha/docker.github.io,BSWANG/denverdino.github.io,jzwlqx/denverdino.github.io,dbdd4us/compose,qzio/compose,browning/compose,dockerhn/compose,troy0820/docker.github.io,vdemeester/compose,rstacruz/compose,saada/compose,denverdino/denverdino.github.io,menglingwei/denverdino.github.io,ZJaffee/compose,DoubleMalt/compose,screwgoth/compose,cclauss/compose,ggtools/compose,vlajos/compose,ChrisChinchilla/compose,albers/compose,abesto/fig,mrfuxi/compose,bcicen/fig,rstacruz/compose,joaofnfernandes/docker.github.io,josephpage/compose,jzwlqx/denverdino.github.io,zhangspook/compose,mosquito/docker-compose,joaofnfernandes/docker.github.io,jiekechoo/compose,sdurrheimer/compose,gdevillele/docker.github.io,kojiromike/compose,BSWANG/denverdino.github.io,RobertNorthard/compose,sanscontext/docker.github.io,talolard/compose,londoncalling/docker.github.io,shin-/compose,mosquito/docker-compose,mohitsoni/compose,docker-zh/docker.github.io,tangkun75/compose,danix800/docker.github.io,mindaugasrukas/compose,sanscontext/docker.github.io,moxiegirl/compose,anweiss/docker.github.io,alunduil/fig,joeuo/docker.github.io,mchasal/compose,aduermael/docker.github.io,londoncalling/docker.github.io,VinceBarresi/compose,swoopla/compose,jrabbit/compose,lukemarsden/compose,saada/compose,alexisbellido/docker.github.io,phiroict/docker,shubheksha/docker.github.io,albers/compose,ouziel-slama/compose,danix800/docker.github.io,shubheksha/docker.github.io,troy0820/docker.github.io,uvgroovy/compose,simonista/compose,shin-/docker.github.io,artemkaint/compose,alexisbellido/docker.github.io,shakamunyi/fig,denverdino/compose,londoncalling/docker.github.io,johnstep/docker.github.io,menglingwei/denverdino.github.io,noironetworks/compose,KevinGreene/compose,thieman/compose,joaofnfernandes/docker.github.io,Chouser/compose,troy0820/docker.github.io,jorgeLuizChaves/compose,LuisBosquez/docker.github.io,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,xydinesh/compose,mark-adams/compose,johnstep/docker.github.io,denverdino/docker.github.io,JimGalasyn/docker.github.io,jzwlqx/denverdino.github.io,browning/compose,rgbkrk/compose,vdemeester/compose,cclauss/compose,thaJeztah/docker.github.io,andrewgee/compose,alexandrev/compose,benhamill/compose,KalleDK/compose,LuisBosquez/docker.github.io,bdwill/docker.github.io,johnstep/docker.github.io,feelobot/compose,menglingwei/denverdino.github.io,tiry/compose,marcusmartins/compose,goloveychuk/compose,aanand/fig,alexisbellido/docker.github.io,mdaue/compose,phiroict/docker,TheDataShed/compose,joaofnfernandes/docker.github.io,sdurrheimer/compose,denverdino/denverdino.github.io,uvgroovy/compose,ZJaffee/compose,aduermael/docker.github.io,sanscontext/docker.github.io,bcicen/fig,mrfuxi/compose,denverdino/docker.github.io,rillig/docker.github.io,schmunk42/compose,kikkomep/compose,ralphtheninja/compose,anweiss/docker.github.io,marcusmartins/compose,Katlean/fig,ain/compose,dockerhn/compose,shin-/docker.github.io,rillig/docker.github.io,ekristen/compose,hoogenm/compose,tpounds/compose,sanscontext/docker.github.io,d2bit/compose,MSakamaki/compose,alexisbellido/docker.github.io,jiekechoo/compose,ouziel-slama/compose,anweiss/docker.github.io,docker/docker.github.io,dopry/compose,nerro/compose,thaJeztah/compose,thaJeztah/docker.github.io,tpounds/compose,hypriot/compose,charleswhchan/compose,rgbkrk/compose,KalleDK/compose,TomasTomecek/compose,viranch/compose,runcom/compose,prologic/compose,gdevillele/docker.github.io,jessekl/compose,screwgoth/compose,RobertNorthard/compose,joeuo/docker.github.io,thaJeztah/docker.github.io,thaJeztah/compose,pspierce/compose,mark-adams/compose,nerro/compose,glogiotatidis/compose,rillig/docker.github.io,phiroict/docker,j-fuentes/compose,benhamill/compose,bobphill/compose,mnowster/compose,bdwill/docker.github.io,ChrisChinchilla/compose,josephpage/compose,joaofnfernandes/docker.github.io,feelobot/compose,au-phiware/compose,brunocascio/compose,glogiotatidis/compose,mnuessler/compose,VinceBarresi/compose,hoogenm/compose,phiroict/docker,kikkomep/compose,calou/compose,troy0820/docker.github.io,BSWANG/denverdino.github.io,johnstep/docker.github.io,shin-/docker.github.io,mohitsoni/compose,nhumrich/compose,thieman/compose,docker/docker.github.io,philwrenn/compose,denverdino/compose,docker/docker.github.io,au-phiware/compose,m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