Remove unneeded ARCH_ARM_USE_NON_NEON_MEMCPY value.

Bug: 8005082

Merge change from internal master.

(cherry-picked from e0f6895de8ca1c92f97f3ac2d4529e5265960025)

Change-Id: Ieaf6fa402277ebe2282e20dcfdc649df0fb92f95
diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 71318d8..be98635 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -36,7 +36,6 @@
 TARGET_ARCH_VARIANT := armv7-a-neon
 TARGET_CPU_VARIANT := cortex-a9
 ARCH_ARM_HAVE_TLS_REGISTER := true
-ARCH_ARM_USE_NON_NEON_MEMCPY := true
 
 TARGET_USERIMAGES_USE_EXT4 := true