Revert "track CM prebuilts/misc/ now that it has ccache 3.1.9 also"

https://github.com/Mustaavalkosta/android/commit/60e32ec0ec0b16a6cf610148c967cb808d059ee7
Revert "track CM prebuilts/misc/ now that it has ccache 3.1.9 also"
This reverts commit fc5d962.
They broke their ccache straight away. Segmentation fault flood as a result.