use proper file extension when copying config files (#56)
use proper file extension when copying config files (#56)

* use proper file extension when copying config files

* copy config filename verbatim

* Remove unused variable

* remove redundant file extension check

* fix comment

GoogleCloudPlatform/runtimes-common,priyawadhwa/runtimes-common,sharifelgamal/runtimes-common,nkubala/runtimes-common,priyawadhwa/runtimes-common,GoogleCloudPlatform/runtimes-common,priyawadhwa/runtimes-common,sharifelgamal/runtimes-common,dlorenc/runtimes-common,dlorenc/runtimes-common,huyhg/runtimes-common,sharifelgamal/runtimes-common,duggelz/runtimes-common,huyhg/runtimes-common,cftorres/runtimes-common,sharifelgamal/runtimes-common,dlorenc/runtimes-common,abbytiz/runtimes-common,GoogleCloudPlatform/runtimes-common,nkubala/runtimes-common,sharifelgamal/runtimes-common,cftorres/runtimes-common,duggelz/runtimes-common,sharifelgamal/runtimes-common,duggelz/runtimes-common,priyawadhwa/runtimes-common,cftorres/runtimes-common,nkubala/runtimes-common,priyawadhwa/runtimes-common,abbytiz/runtimes-common,huyhg/runtimes-common,sharifelgamal/runtimes-common,priyawadhwa/runtimes-common,nkubala/runtimes-common,priyawadhwa/runtimes-common,nkubala/runtimes-common,abbytiz/runtimes-common