Revert "brew pull: add automatic tap repair"

This reverts commit bcd34ded9e4b17b8658b7ae947cd392a4e5942c0.

Closes Homebrew/homebrew#38658.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Homebrew/cmd/pull.rb

@@ -187,8 +187,6 @@ module Homebrew
       ohai 'Patch changed:'
       safe_system "git", "diff-tree", "-r", "--stat", revision, "HEAD"
 
-      safe_system "brew", "tap", "--repair" if tap_name
-
       if ARGV.include? '--install'
         changed_formulae.each do |f|
           ohai "Installing #{f.name}"