apq8064-common: Remove unimplemented overlay options

Change-Id: Ib83d7f06568c6523bdd488e77a5d6bc32cf85369
apq8064-common: Disable broken QCOM audio features

* Revisit when these features compile again.

Change-Id: Ica9b07902911fdbcbc609f078dffa38921d342de
apq8064-common: Remove boot classpath modification

Change-Id: I88fc120b25a4a8c89f2176de56fb831fd30abffb