ANDROID: Kconfig.gki: Drop GKI_QCOM_CLKS_CONFIGS

With the recent changes to support clks as modules, as well as
efforts to get rpmh/rpmhpd/rpmpd working as a module the
GKI_QCOM_CLKS_CONFIGS entry is no longer needed.

So remove it!

Bug: 146449535
Change-Id: I364d57e8447a599a9ca838b6f5d9cd23d9a1353e
Signed-off-by: John Stultz <john.stultz@linaro.org>