Three.Legacy: Improve warnings

src/Three.Legacy.js

@@ -435,8 +435,7 @@ Object.assign( Matrix3.prototype, {
 	},
 	multiplyVector3Array: function ( a ) {
 
-		console.warn( 'THREE.Matrix3: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );
-		return this.applyToVector3Array( a );
+		console.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.'  );
 
 	},
 	applyToBuffer: function( buffer, offset, length ) {
@@ -505,8 +504,7 @@ Object.assign( Matrix4.prototype, {
 	},
 	multiplyVector3Array: function ( a ) {
 
-		console.warn( 'THREE.Matrix4: .multiplyVector3Array() has been renamed. Use matrix.applyToVector3Array( array ) instead.' );
-		return this.applyToVector3Array( a );
+		console.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.'  );
 
 	},
 	rotateAxis: function ( v ) {