MDL-67814 core_h5p: Update to eslintignore to handle included file.

The H5PEditor is already loaded. This causes grunt to complain.

.eslintignore

@@ -9,6 +9,7 @@ cache/stores/mongodb/MongoDB/
 enrol/lti/ims-blti/
 filter/algebra/AlgParser.pm
 filter/tex/mimetex.*
+h5p/amd/src/editor_display.js
 h5p/h5plib/v124/joubel/core/
 h5p/h5plib/v124/joubel/editor/
 lib/editor/atto/plugins/html/yui/src/codemirror/
@@ -88,4 +89,4 @@ theme/boost/amd/src/toast.js
 theme/boost/amd/src/tooltip.js
 theme/boost/amd/src/util.js
 theme/boost/amd/src/tether.js
-theme/boost/scss/fontawesome/
+theme/boost/scss/fontawesome/