dev-cmd/dispatch-build-bottle: Stop replacing linuxbrew-core

- The cores are now merged (🎉), so the Linux core tap is
  `homebrew-core` not `linuxbrew-core`, everything core should have
  switched over, this should be safe to remove.

Library/Homebrew/dev-cmd/dispatch-build-bottle.rb

@@ -47,10 +47,6 @@ module Homebrew
     ref = "master"
     workflow = args.workflow || "dispatch-build-bottle.yml"
 
-    # Ensure we dispatch the bottle in homebrew/homebrew-core
-    # TODO: remove when core taps are merged
-    repo.gsub!("linux", "home") unless args.tap
-
     runners = if (macos = args.macos&.compact_blank) && macos.present?
       macos.map do |element|
         # We accept runner name syntax (11-arm64) or bottle syntax (arm64_big_sur)