ChannelSlider: don't check be_control_look for NULL

Also if0 the code that draws the old/dano look so it's more clear that
it's not called intentionally.

src/kits/interface/ChannelSlider.cpp

@@ -563,7 +563,6 @@ BChannelSlider::DrawGroove(BView* into, int32 channel, BPoint leftTop,
 	ASSERT(into != NULL);
 	BRect rect(leftTop, bottomRight);
 
-	if (be_control_look != NULL) {
 	rect.InsetBy(-2.5, -2.5);
 	rect.left = floorf(rect.left);
 	rect.top = floorf(rect.top);
@@ -574,13 +573,14 @@ BChannelSlider::DrawGroove(BView* into, int32 channel, BPoint leftTop,
 	uint32 flags = 0;
 	be_control_look->DrawSliderBar(into, rect, rect, base,
 		barColor, flags, Orientation());
-		return;
-	}
 
+#if 0
+	// Disabled original look
 	_DrawGrooveFrame(fBackingView, rect.InsetByCopy(-2.5, -2.5));
 
 	rect.InsetBy(-0.5, -0.5);
 	into->FillRect(rect, B_SOLID_HIGH);
+#endif
 }
 
 
@@ -598,8 +598,6 @@ BChannelSlider::DrawThumb(BView* into, int32 channel, BPoint where,
 	where.x -= bitmapBounds.right / 2.0;
 	where.y -= bitmapBounds.bottom / 2.0;
 
-
-	if (be_control_look != NULL) {
 	BRect rect(bitmapBounds.OffsetToCopy(where));
 	rect.InsetBy(1, 1);
 	rect.left = floorf(rect.left);
@@ -610,10 +608,9 @@ BChannelSlider::DrawThumb(BView* into, int32 channel, BPoint where,
 	uint32 flags = 0;
 	be_control_look->DrawSliderThumb(into, rect, rect, base,
 		flags, Orientation());
-		return;
-	}
-
 
+#if 0
+	// Disabled original look which takes into account the pressed state
 	into->PushState();
 
 	into->SetDrawingMode(B_OP_OVER);
@@ -634,6 +631,7 @@ BChannelSlider::DrawThumb(BView* into, int32 channel, BPoint where,
 	}
 
 	into->PopState();
+#endif
 }