Remove extra product property overrides

This appears to clash with vendor/cm/common mk's for overrides; causes
a broken default alarm (and OnTheHunt is so bleh).

Change-Id: I5ec990d3c5ad56b573c45f1a3b20169c989851a0
releasetools: Modify regex for radio files

The filesmap file may contain additional information (such as a
sha1 hash) after the parition name. We should still work in these
cases, but can ignore the additional data.

Change-Id: I0feaa5e94d48fa94b66b6c07e1946674fe703d85