m68k: defconfig: Update defconfigs for v6.11-rc1

  - Drop CONFIG_CRYPTO_SM2=m (removed in commit 46b3ff73
    ("crypto: sm2 - Remove sm2 algorithm")),
  - Drop CONFIG_TEST_USER_COPY=m (replaced by auto-modular
    CONFIG_USERCOPY_KUNIT_TEST in commit cf6219ee ("usercopy:
    Convert test_user_copy to KUnit test")).

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/bfe0530e290cee9d350f89c4d41436f3de7cb2a5.1722248695.git.geert@linux-m68k.org