Remove brew upgrade --all rule.

thefuck/rules/brew_upgrade.py

@@ -1,17 +0,0 @@
-# Appends --all to the brew upgrade command
-#
-# Example:
-# > brew upgrade
-# Warning: brew upgrade with no arguments will change behaviour soon!
-# It currently upgrades all formula but this will soon change to require '--all'.
-from thefuck.specific.brew import brew_available
-
-enabled_by_default = brew_available
-
-
-def match(command):
-    return command.script == 'brew upgrade'
-
-
-def get_new_command(command):
-    return command.script + ' --all'