Revert "Build mips64r6 target with GCC."

This change is no longer needed thanks to
https://android-review.googlesource.com/#/c/204304/.

Bug: 27310199

This reverts commit c9e1a8968c22b86eba444807c9c8bf2898b3b672.

Change-Id: I6915ff18274fef4460dbbf7833b6b2944e0e8fd8
1 file changed
tree: 4ea2b98a665a1c967eddb9604e08a7663b9b2614
  1. arm_krait/
  2. armv8/
  3. mips32r2_fp/
  4. mips32r2_fp_xburst/
  5. mips64r6/
  6. silvermont/