prune and optimize code climate configuration

.codeclimate.yml

@@ -15,12 +15,6 @@
 engines:
 # to turn on an engine, add it here and set enabled to `true`
 # to turn off an engine, set enabled to `false` or remove it
-  rubocop:
-    enabled: true
-  golint:
-    enabled: true
-  gofmt:
-    enabled: true
   eslint:
     enabled: true
   csslint:
@@ -35,17 +29,13 @@ engines:
 
 # Note: If the ratings key is not specified, this will result in a 0.0 GPA on your dashboard.
 
-# ratings:
-#   paths:
-#   - app/**
-#   - lib/**
-#   - "**.rb"
-#   - "**.go"
+ratings:
+  paths:
+  - lib/**
+  - "**.js"
 
 # You can globally exclude files from being analyzed by any engine using the
 # exclude_paths key.
 
-#exclude_paths:
-#- spec/**/*
-#- vendor/**/*
-
+exclude_paths:
+- tests/**