rm libbinderthreadstate

This library is empty, and its functionality has moved
into libbinder/libhwbinder.

Bug: 148692216
Test: N/A
Change-Id: I3ee973cef68281cb57b4912b4b66c798b5d9d715
diff --git a/Tethering/Android.bp b/Tethering/Android.bp
index cf2b1f0..285f4ab 100644
--- a/Tethering/Android.bp
+++ b/Tethering/Android.bp
@@ -60,7 +60,6 @@
         "android.hardware.tetheroffload.config@1.0",
         "liblog",
         "libbase",
-        "libbinderthreadstate",
         "libcutils",
         "libhidlbase",
         "libjsoncpp",