Removed workaround from generate-language-resources

Workaround no longer needed, we are past 1.11.3

[#165300322](https://www.pivotaltracker.com/story/show/165300322)

Co-authored-by: Andrew Crump <acrump@pivotal.io>

bin/generate-language-resources

@@ -2,11 +2,6 @@
 
 set -e
 
-# BEGIN workaround for go get regression introduced in go 1.11.3, remove once go 1.11.4 is released.
-mkdir -p $GOPATH/src/github.com
-cp -r /go/src/github.com/* $GOPATH/src/github.com/
-# END workaround
-
 go get github.com/shuLhan/go-bindata/...
 go-bindata --version
 go-bindata -nometadata  -pkg resources -ignore ".go" -o resources/i18n_resources.go resources/*.all.json