Revert "Flag RingtoneSelection.Builder with FLAG_HAPTICS_CUSTOMIZATION_ENABLED"

This reverts commit 63b35890.

Reason for revert: dead code

Bug: 301713440
Bug: 272282867
Bug: 323853450
Test: n/a
Change-Id: Ib4107133b275ea40e694fe5e0914c188844851bf

core/api/test-current.txt

@@ -2000,7 +2000,7 @@ package android.media {
     field public static final int VIBRATION_SOURCE_URI = 2; // 0x2
   }
 
-  @FlaggedApi("android.os.vibrator.haptics_customization_enabled") public static final class RingtoneSelection.Builder {
+  public static final class RingtoneSelection.Builder {
     ctor public RingtoneSelection.Builder();
     ctor public RingtoneSelection.Builder(@NonNull android.media.RingtoneSelection);
     method @NonNull public android.media.RingtoneSelection build();

media/java/android/media/RingtoneSelection.java

@@ -642,7 +642,6 @@ public final class RingtoneSelection {
      * allowing the user to configure their selection. Once a selection is stored as a Uri, then
      * the RingtoneSelection can be loaded directly using {@link RingtoneSelection#fromUri}.
      */
-    @FlaggedApi(Flags.FLAG_HAPTICS_CUSTOMIZATION_ENABLED)
     public static final class Builder {
         private Uri mSoundUri;
         private Uri mVibrationUri;