functions.php

/**
 * Remove Meta Viewport Tag on Grid Loop
 *
 */
function be_grid_loop_remove_viewport() {
	$grid = be_grid_loop_pagination();
	if( $grid )
		remove_action( 'genesis_meta', 'prose_add_viewport_meta_tag' );
}
add_action( 'genesis_meta', 'be_grid_loop_remove_viewport', 5 );