Update codeclimate settings, purge some config files

.codeclimate.yml

@@ -1,32 +1,16 @@
----
-engines:
-  csslint:
-    enabled: true
-  duplication:
-    enabled: true
-    config:
-      languages:
-      - ruby
-      - javascript
-      - python
-      - php
-  eslint:
-    enabled: true
-  fixme:
-    enabled: true
-  radon:
-    enabled: true
-  rubocop:
-    enabled: true
-ratings:
-  paths:
-  - "**.css"
-  - "**.inc"
-  - "**.js"
-  - "**.jsx"
-  - "**.module"
-  - "**.php"
-  - "**.py"
-  - "**.rb"
-exclude_paths:
-- config/
+- version: 2
+- plugins:
+      csslint:
+        enabled: true
+      duplication:
+        enabled: true
+        config:
+          languages:
+          - javascript
+          - python
+      eslint:
+        enabled: true
+      fixme:
+        enabled: true
+      radon:
+        enabled: true