chore(*): Remove duplicate globals in .jshintrc files

Author: mgol

Diff for: src/.jshintrc

@@ -100,7 +100,6 @@
     "NODE_TYPE_ATTRIBUTE": false,
     "NODE_TYPE_TEXT": false,
     "NODE_TYPE_COMMENT": false,
-    "NODE_TYPE_COMMENT": false,
     "NODE_TYPE_DOCUMENT": false,
     "NODE_TYPE_DOCUMENT_FRAGMENT": false,
 

Diff for: src/ngAnimate/.jshintrc

@@ -11,7 +11,6 @@
     "forEach": false,
     "extend": false,
     "jqLite": false,
-    "forEach": false,
     "isArray": false,
     "isString": false,
     "isObject": false,