Remove a couple more instances of "shit"

Author: wvu

msfencode

@@ -133,7 +133,7 @@ altexe   = nil
 inject   = false
 exedir   = nil  # use default
 
-# Parse the argument and rock that shit.
+# Parse the argument and rock it
 $args.parse(ARGV) { |opt, idx, val|
   case opt
     when "-i"

tools/find_badchars.rb

@@ -62,7 +62,7 @@ def debug_buffer(name, buf)
 # Output
 new_badchars = ''
 
-# Parse the argument and rock that shit.
+# Parse the argument and rock it
 $args.parse(ARGV) { |opt, idx, val|
   case opt
     when "-i"