Ignore "unused h" for preact

package.json

@@ -66,7 +66,7 @@
         "c9.ide.language.html.diff": "#7d6cecfb90",
         "c9.ide.language.javascript": "#69684ee026",
         "c9.ide.language.javascript.immediate": "#82c426dbca",
-        "c9.ide.language.javascript.eslint": "#18b1cee0c5",
+        "c9.ide.language.javascript.eslint": "#004c86f8ef",
         "c9.ide.language.javascript.tern": "#4d53f32c29",
         "c9.ide.language.javascript.infer": "#b9c2e4bdb8",
         "c9.ide.language.jsonalyzer": "#d6736b55cb",