Revert "init: run init.qcom.mdm_links.sh in the property:ro.baseband trigger."

This breaks booting.  Need to find another way to set the baseband.

This reverts commit fa327084ffe25e98ed2ccd7ab8e2735cb73b3dc3.
Run init.qcom.baseband.sh in property:ro.baseband trigger.
init: more ueventd changes and fixes.