After [29179], remove the last instance of `this.isCompatibleSrc()`.

Props kovshenin.
See #28905.


Built from https://develop.svn.wordpress.org/trunk@29277


git-svn-id: http://core.svn.wordpress.org/trunk@29059 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/mediaelement/wp-playlist.js

@@ -144,7 +144,7 @@
 
 			if ( last !== current ) {
 				this.setPlayer( true );
-			} else if ( this.isCompatibleSrc() ) {
+			} else {
 				this.playerNode.attr( 'src', this.current.get( 'src' ) );
 				this.playCurrentSrc();
 			}