[Informative] Simplify message handling.

lib/cocoapods.rb

@@ -10,8 +10,7 @@ module Pod
 
   class Informative < PlainInformative
     def message
-      # TODO: remove formatting from raise calls and remove conditional
-      super !~ /\[!\]/ ? "[!] #{super}".red : super
+      "[!] #{super}".red
     end
   end
 

lib/cocoapods/command/push.rb

@@ -60,7 +60,7 @@ module Pod
 
       def repo_dir
         dir = config.repos_dir + @repo
-        raise Informative, "[!] `#{@repo}' repo not found".red unless dir.exist?
+        raise Informative, "`#{@repo}` repo not found" unless dir.exist?
         dir
       end