Revert "Enable QUAD_CORE_SOC_STAT in defconfig"

This reverts commit 1e1f2ec195abbf3346d4cfb4439bcf63dbaa957a.
Revert "cpufreq: overall_stats: add overall stats for all available cores"

This reverts commit ef75d296d942fe95b7dd24d3612e9e6782318de7.