Prevent the before-event-html field from operating on specific pages (in this example, the Community Events editor)

conditionally-stop-events-before-html.php

function conditionally_remove_tribe_before_html( $html )  {
	if ( ! function_exists( 'tribe_is_community_edit_event_page' ) ) return $html;
	if ( ! tribe_is_community_edit_event_page() ) return $html;
	return '';
}

add_filter( 'tribe_events_before_html', 'conditionally_remove_tribe_before_html' );