Enable jsx-no-comment-textnodes

Reviewed By: zertosh, TheSavior

Differential Revision: D5492891

fbshipit-source-id: 25bfc41b5a962fa643e2a402b9c9b031da972150

Author: nmote

.eslintrc

@@ -220,6 +220,7 @@
 
     "react/display-name": 0,
     "react/jsx-boolean-value": 0,
+    "react/jsx-no-comment-textnodes": 1,
     "react/jsx-no-duplicate-props": 2,
     "react/jsx-no-undef": 1,
     "react/jsx-sort-props": 0,