Remove unnecessary swearing.

Library/Homebrew/extend/ENV/super.rb

@@ -225,7 +225,7 @@ module Superenv
   end
 
   def determine_developer_dir
-    # If Xcode path is fucked then this is basically a fix. In the case where
+    # If Xcode path is broken then this is basically a fix. In the case where
     # nothing is valid, it still fixes most usage to supply a valid path that
     # is not "/".
     MacOS::Xcode.prefix || self['DEVELOPER_DIR']

Library/Homebrew/os/mac/xcode.rb

@@ -209,7 +209,7 @@ module OS
         version < latest_version
       end
 
-      # Version string (a pretty damn long one) of the CLT package.
+      # Version string (a pretty long one) of the CLT package.
       # Note, that different ways to install the CLTs lead to different
       # version numbers.
       def version