Remove warning on ARM

Library/Homebrew/extend/os/mac/diagnostic.rb

@@ -63,7 +63,6 @@ module Homebrew
 
       def supported_configuration_checks
         %w[
-          check_for_unsupported_arch
           check_for_unsupported_macos
         ].freeze
       end
@@ -91,18 +90,6 @@ module Homebrew
         nil
       end
 
-      def check_for_unsupported_arch
-        return if Homebrew::EnvConfig.developer?
-        return unless Hardware::CPU.arm?
-
-        <<~EOS
-          You are running macOS on a #{Hardware::CPU.arch} CPU architecture.
-          We do not provide support for this (yet).
-          Reinstall Homebrew under Rosetta 2 until we support it.
-          #{please_create_pull_requests}
-        EOS
-      end
-
       def check_for_unsupported_macos
         return if Homebrew::EnvConfig.developer?
 

Library/Homebrew/install.rb

@@ -51,11 +51,6 @@ module Homebrew
     end
 
     def check_cpu
-      return if Hardware::CPU.intel? && Hardware::CPU.is_64_bit?
-
-      # Handled by check_for_unsupported_arch in extend/os/mac/diagnostic.rb
-      return if Hardware::CPU.arm?
-
       return unless Hardware::CPU.ppc?
 
       odie <<~EOS