Don't add the global golang binary directory to PATH.

It's already set in the workbench image. I'm not sure about environments
otherwise.

.bashrc

@@ -41,7 +41,7 @@ export LESS_TERMCAP_us=$'\E[01;32m'
 export LYNX_SAVE_SPACE="$HOME/Downloads"
 export LYNX_TEMP_SPACE="$HOME/.cache/lynx"
 export NODE_PENDING_DEPRECATION='1'
-export PATH="$GOPATH/bin:/usr/lib/go/bin/:$PATH"
+export PATH="$GOPATH/bin:$PATH"
 export PATH="$HOME/.cabal/bin:$PATH"
 export PATH="$HOME/.cargo/bin:$PATH"
 export PATH="$HOME/.local/bin:$PATH"