Remove 64-bit binder ABI setting.

We are only using the 64-bit ABI now, and this
setting is being removed.

Bug: 232423610
Test: TH
Change-Id: I89e0cd7c159101f2fd96c88f4dcdf58473cf9ed2
diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index a5ab322..c724c7d 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -9,7 +9,6 @@
 TARGET_2ND_CPU_ABI := armeabi-v7a
 TARGET_2ND_CPU_ABI2 := armeabi
 
-TARGET_USES_64_BIT_BINDER := true
 
 USE_OPENGL_RENDERER := true