Revert "fix freez at any cpu speed above 1728mhz"

This reverts commit 91a3e2db38573072e48c3a43512503f0dab6073f.
Revert "fix haveing my l2 speeds to high on oc freqs"

This reverts commit 1832b5fa7b83acda5f75feadcffec51bd6eb9c0a.
Revert "more overclocking"

This reverts commit 71fddbf6b92f548735ca3a9c045c94c9bc56e846.
Revert "add back 80mhz bus step because it made things a bit stutery"

This reverts commit 0499e363d6f159ca7f437062694987facb881e24.