tf700t: remove unneeded targets

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Remove unused asus/grouper ARCH_ARM_HAVE_TLS_REGISTER.
Change-Id: I5165185b7fb36a78a734402c639857f4b7a81ef1

Remove unneeded ARCH_ARM_USE_NON_NEON_MEMCPY value. DO NOT MERGE
Bug: 8005082

(cherry picked from commit e0f6895)

Change-Id: Id269322c0e9e933e708adca8cde5df4c243ddc86
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