Revert "Revert "Use Omni busybox""

This reverts commit 0107c309b788761180d254f2a6d3e4bd0fc31466.

twrp-extras.xml

@@ -49,7 +49,10 @@
     </project> />
 
 
-<!-- busybox -->
-    <project path="external/busybox" name="TeamWin/android_external_busybox" remote="github" revision="android-8.0" />
+<!-- Custom busybox no longer needed, but will keep here for reference -->
+    <!-- <project path="external/busybox" name="TeamWin/android_external_busybox" remote="github" revision="android-8.0" /> -->
+
+<!-- Use OmniROM busybox -->
+    <project path="external/busybox" name="android_external_busybox" remote="omnirom" revision="android-8.1" />
 
 </manifest>