Remove tint to show rainbow drawable on Bluetooth devices slice

Bluetooth icon has changed to rainbow icon. These new icons will be
abnormal if apply tint to them.

Fixes: 129038598
Test: visual
Change-Id: Ic02d226a46c36bb0b80f00b2e30d31a311e14e2f
diff --git a/src/com/android/settings/homepage/contextualcards/slices/BluetoothDevicesSlice.java b/src/com/android/settings/homepage/contextualcards/slices/BluetoothDevicesSlice.java
index 5c1fbdd..a760eff 100644
--- a/src/com/android/settings/homepage/contextualcards/slices/BluetoothDevicesSlice.java
+++ b/src/com/android/settings/homepage/contextualcards/slices/BluetoothDevicesSlice.java
@@ -221,14 +221,6 @@
                     com.android.internal.R.drawable.ic_settings_bluetooth);
         }
 
-        // Tint icon: Accent color for connected state; Disable color for busy state.
-        @ColorInt int color = Utils.getColorAccentDefaultColor(mContext);
-        if (device.isBusy()) {
-            color = Utils.getDisabled(mContext,
-                    Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorControlNormal));
-        }
-        drawable.setColorFilter(new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN));
-
         return Utils.createIconWithDrawable(drawable);
     }