Revert "init: Fix serial number display for semc msm7x30 devices"

This is properly fixed in kernel now. Get rid of this device-specific code.

This reverts commit 5ac7417f81ed6646e0132991095e8f1fd974abaa.

Change-Id: Id81062d3268de6dd021ad90a56480133c487aa62
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_system_core into kk44
Revert "QuickBoot: Charger: add parameter to support QuickBoot mode"

This reverts commit b10c52080780119c0f3aa92f14153f4536642e9a.
Merge branch 'kk44' of https://github.com/scotthartbti/platform_system_core into kk44