Land rapid7#6193, move msftidy to correct location

Author: lsato-r7

tools/modules/msftidy.rb renamed to tools/dev/msftidy.rb

@@ -59,9 +59,9 @@ def merge_error_message
 if files_to_check.empty?
   puts "--- No Metasploit modules to check ---"
 else
-  puts "--- Checking new and changed module syntax with tools/modules/msftidy.rb ---"
+  puts "--- Checking new and changed module syntax with tools/dev/msftidy.rb ---"
   files_to_check.each do |fname|
-    cmd = "ruby ./tools/modules/msftidy.rb  #{fname}"
+    cmd = "ruby ./tools/dev/msftidy.rb  #{fname}"
     msftidy_output= %x[ #{cmd} ]
     puts "#{fname} - msftidy check passed" if msftidy_output.empty?
     msftidy_output.each_line do |line|