Refactor `ember-views.curly-components.jquery-element` deprecation message

[alexdiliberto]

the following deprecation is being throw in a handful of spots from within this addon as of the latest @ember/jquery version 1.1.0

DEPRECATION: Using this.$() in a component has been deprecated, consider using this.element

[veelenga]

I can try handling this. Will you guys have a chance to review/merge if I open a PR?