Cleanup from dev-cmd test changes

- Remove added whitespace in `extend/os/linux/keg_relocate`
- Cleanup testball bottles

Library/Homebrew/extend/os/linux/keg_relocate.rb

@@ -17,7 +17,6 @@ class Keg
     return if !file.elf? || !file.dynamic_elf?
 
     patchelf = DevelopmentTools.locate "patchelf"
-
     cmd_rpath = [patchelf, "--print-rpath", file]
     old_rpath = Utils.popen_read(*cmd_rpath, err: :out).strip
 

Library/Homebrew/test/spec_helper.rb

@@ -191,6 +191,7 @@ RSpec.configure do |config|
         CoreTap.instance.alias_dir,
         CoreTap.instance.path/"formula_renames.json",
         *Pathname.glob("#{HOMEBREW_CELLAR}/*/"),
+        *Pathname.glob("testball*.bottle.tar.gz"),
       ]
 
       files_after_test = find_files