Remove WiFi Label in the Notification Drawer

This reverts commit a61d1c4ded4fff032ae8feddd2c4e252e82d2063.

Revert "SystemUI: Fix build due to Custom Carrier Label implementation"

This reverts commit f3399dab4b7b00cab201ba20c01bcfa957863bad.

Revert "Add Wifi name to notification drawer when Wifi is connected"

This reverts commit 873de0b44a9428ebcc4216a14e08156b65a5570e.