Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Fix for following CPPCheck warnings
- invalidPrintfArgType
Rebased with latest develop branch w21.
Reverted modifications unrelated to printf issues.

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

There are a number of timers in RRC. Those are not or only partially
implemented, and certainly don't work in F1. Hence, remove them to
replace with a better implementation later.