machine docs: removed references to AMI per @nathanleclaire comments
machine docs: removed references to AMI per @nathanleclaire comments

fixed grammatical error re: AMI

Signed-off-by: Victoria Bialas <99cd2b71a4b4f6883e7934ce9590288e2952433f@docker.com>

kacole2/machine,londoncalling/machine,dweomer/docker-machine,thaJeztah/docker.github.io,denverdino/docker.github.io,rillig/docker.github.io,dgageot/machine,denverdino/denverdino.github.io,bdwill/docker.github.io,tyrken/machine,joaofnfernandes/docker.github.io,robertbreker/machine,SvenDowideit/machine,moxiegirl/machine,exoscale/docker-machine,johnstep/docker.github.io,xinxian0458/machine,denverdino/denverdino.github.io,denverdino/docker.github.io,sebadiaz/machine,shubheksha/docker.github.io,JimGalasyn/docker.github.io,BSWANG/denverdino.github.io,LuisBosquez/docker.github.io,rillig/docker.github.io,sanscontext/docker.github.io,docker/docker.github.io,robvanmieghem/machine,sanscontext/docker.github.io,jsirois/machine,gdevillele/docker.github.io,bdwill/docker.github.io,thaJeztah/machine,jeanlaurent/machine,moxiegirl/machine,aduermael/docker.github.io,londoncalling/docker.github.io,kunalkushwaha/machine,LuisBosquez/docker.github.io,robvanmieghem/machine,menglingwei/denverdino.github.io,jmelis/machine,shin-/docker.github.io,docker/machine,jsirois/machine,phiroict/docker,flavio/machine,gdevillele/docker.github.io,shubheksha/docker.github.io,alexisbellido/docker.github.io,phiroict/docker,BSWANG/denverdino.github.io,alexisbellido/docker.github.io,danix800/docker.github.io,troy0820/docker.github.io,alexisbellido/docker.github.io,wzymaster/machine,thaJeztah/docker.github.io,xinxian0458/machine,ibuildthecloud/machine,JimGalasyn/docker.github.io,ppadala/machine,menglingwei/machine,docker-zh/docker.github.io,johnstep/docker.github.io,johnstep/docker.github.io,docker-zh/docker.github.io,alexisbellido/docker.github.io,kunalkushwaha/machine,LuisBosquez/docker.github.io,thaJeztah/docker.github.io,shubheksha/docker.github.io,voutilad/machine,larsla/machine,dgageot/machine,Herbis/machine,LuisBosquez/docker.github.io,tpires/machine,sanscontext/docker.github.io,ibuildthecloud/machine,kacole2/machine,StackPointCloud/machine,menglingwei/machine,miqui/machine,wzymaster/machine,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,menglingwei/denverdino.github.io,moxiegirl/machine,shin-/docker.github.io,StackPointCloud/machine,ppadala/machine,sanscontext/docker.github.io,BSWANG/denverdino.github.io,joeuo/docker.github.io,sebadiaz/machine,JimGalasyn/docker.github.io,troy0820/docker.github.io,faijaz/docker-machine,joeuo/docker.github.io,joaofnfernandes/docker.github.io,dweomer/docker-machine,BSWANG/denverdino.github.io,sanscontext/docker.github.io,londoncalling/docker.github.io,exoscale/docker-machine,docker/docker.github.io,jzwlqx/denverdino.github.io,jeanlaurent/machine,docker/machine,larsla/machine,miqui/machine,shubheksha/docker.github.io,denverdino/denverdino.github.io,johnstep/docker.github.io,voutilad/machine,joeuo/docker.github.io,gdevillele/docker.github.io,kunalkushwaha/machine,faijaz/docker-machine,joaofnfernandes/docker.github.io,denverdino/docker.github.io,wzymaster/machine,tpires/machine,aduermael/docker.github.io,denverdino/denverdino.github.io,otherjason/machine,aduermael/docker.github.io,thaJeztah/machine,miqui/machine,xinxian0458/machine,BSWANG/denverdino.github.io,rillig/docker.github.io,bdwill/docker.github.io,anweiss/docker.github.io,shin-/docker.github.io,Herbis/machine,jmelis/machine,menglingwei/machine,anweiss/docker.github.io,londoncalling/docker.github.io,gdevillele/docker.github.io,menglingwei/denverdino.github.io,phiroict/docker,bgokden/machine,docker/docker.github.io,joaofnfernandes/docker.github.io,LuisBosquez/docker.github.io,JimGalasyn/docker.github.io,bgokden/machine,gdevillele/docker.github.io,londoncalling/docker.github.io,rillig/docker.github.io,thaJeztah/docker.github.io,shin-/docker.github.io,joaofnfernandes/docker.github.io,kacole2/machine,otherjason/machine,anweiss/docker.github.io,johnstep/docker.github.io,danix800/docker.github.io,shin-/docker.github.io,jmelis/machine,troy0820/docker.github.io,docker-zh/docker.github.io,londoncalling/machine,thaJeztah/machine,danix800/docker.github.io,menglingwei/denverdino.github.io,aduermael/docker.github.io,robertbreker/machine,tyrken/machine,denverdino/denverdino.github.io,joeuo/docker.github.io,flavio/machine,joeuo/docker.github.io,shubheksha/docker.github.io,jzwlqx/denverdino.github.io,phiroict/docker,thaJeztah/docker.github.io,jsirois/machine,jzwlqx/denverdino.github.io,troy0820/docker.github.io,jzwlqx/denverdino.github.io,londoncalling/docker.github.io,robertbreker/machine,menglingwei/denverdino.github.io,otherjason/machine,sebadiaz/machine,tyrken/machine,SvenDowideit/machine,docker/docker.github.io,anweiss/docker.github.io,StackPointCloud/machine,tpires/machine,bdwill/docker.github.io,denverdino/docker.github.io,robvanmieghem/machine,docker/docker.github.io,phiroict/docker,jeanlaurent/machine,anweiss/docker.github.io,docker-zh/docker.github.io,danix800/docker.github.io,denverdino/docker.github.io,faijaz/docker-machine,bgokden/machine,JimGalasyn/docker.github.io,bdwill/docker.github.io,ppadala/machine,docker-zh/docker.github.io