Revert "rules: check spaces in commit title (nodejs#35)"

This reverts commit 7be8a42.

Author: richardlau

lib/rules/title-format.js

@@ -22,36 +22,6 @@ module.exports = {
       pass = false
     }
 
-    {
-      const result = /^(.+?:)[^ ]/.exec(context.title)
-      if (result) {
-        context.report({
-          id: id
-        , message: 'Add a space after subsystem(s).'
-        , string: context.title
-        , line: 0
-        , column: result[1].length
-        , level: 'fail'
-        })
-        pass = false
-      }
-    }
-
-    {
-      const result = /\s\s/.exec(context.title)
-      if (result) {
-        context.report({
-          id: id
-        , message: 'Do not use consecutive spaces in title.'
-        , string: context.title
-        , line: 0
-        , column: result.index + 1
-        , level: 'fail'
-        })
-        pass = false
-      }
-    }
-
     const result = /^(.+?): [A-Z]/.exec(context.title)
     if (result) {
       context.report({