WebGLRenderer: Clean up.

Author: Mugen87

src/renderers/WebGLRenderer.js

@@ -1603,7 +1603,7 @@ function WebGLRenderer( parameters = {} ) {
 
 				needsProgramChange = true;
 
-			} else if ( capabilities.isWebGL2 && materialProperties.morphTargetsCount !== morphTargetsCount ) {
+			} else if ( capabilities.morphTargetTexture === true && materialProperties.morphTargetsCount !== morphTargetsCount ) {
 
 				needsProgramChange = true;