Revert "add support for special links in modal content to trigger modal events"

This reverts commit 36d31dfa7d0a0e90f555e0f931ea8322b7c1728f.

Conflicts:
	resources/wikia/ui_components/modal/js/modal.js
Revert "If event listener is a promise then add its result to arguments that are passed to consecutive listeners"

This reverts commit 4fd9572afe3f9a94d483703e5d2692b971a16deb.

Conflicts:
	resources/wikia/ui_components/modal/js/modal.js