Auto merge of #4880 - KrauseFx:patch-1, r=indirect
Auto merge of #4880 - KrauseFx:patch-1, r=indirect

Simplify Gemfile template

Taken from https://github.com/bundler/bundler/pull/4746

mvz/bundler,dilumnavanjana/bundler,dilumnavanjana/bundler,bundler/bundler,bundler/bundler,mvz/bundler