Remove OsuLogin app from system image

Instead it is being moved to the Wifi apex.

Bug: 149346045
Test: Attempted to connect to an OSU network,
verify OsuLogin page pops up

Change-Id: I61ad994d51446a73a5ace2aefa727dfbd184bcba
diff --git a/target/product/handheld_system.mk b/target/product/handheld_system.mk
index 324275d..77c103d 100644
--- a/target/product/handheld_system.mk
+++ b/target/product/handheld_system.mk
@@ -57,7 +57,6 @@
     MtpService \
     MusicFX \
     NfcNci \
-    OsuLogin \
     PacProcessor \
     PrintRecommendationService \
     PrintSpooler \