Remvoe whisperd from user_tags.mk.

Change-Id: Ib271c568a6e6907d033040dbe6c3574124fbe469

Bug: 5473754
diff --git a/core/user_tags.mk b/core/user_tags.mk
index d09a2cd..2e7017e 100644
--- a/core/user_tags.mk
+++ b/core/user_tags.mk
@@ -500,7 +500,6 @@
 	vm-tests \
 	vold \
 	wdsclient \
-	whisperd \
 	wpa_supplicant \
 	yuv420sp2rgb \
 	zipalign