Revert "CPU Overclock: initial overclock for Krait 600 (2.0 GHz variants)"

This reverts commit 8d9a5313f63423605b802b6fe2e074d49eda0c46.

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/acpuclock-8064.c
	arch/arm/mach-msm/acpuclock-krait.c
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