Merge branch 'drop-uncompressed-sourcemap' into 'master'

Drop non gzipped sourcemap files

Closes #4488

See merge request gitlab-org/omnibus-gitlab!3592

changelogs/unreleased/drop-uncompressed-sourcemap.yml

+---
+title: Removed non-gzipped files for sourcemaps to save on package size
+merge_request: 3592
+author:
+type: changed

config/software/gitlab-rails.rb

@@ -171,6 +171,9 @@ build do
   delete 'tmp'
   delete 'public/uploads'
+  # Drop uncompressed sourcemap files. We will keep the gziped versions.
+  command "find public/assets/webpack -name '*.map' -type f -print -delete"
+
   # Cleanup after bundle
   # Delete all .gem archives
   command "find #{install_dir} -name '*.gem' -type f -print -delete"