configure: remove useless include header checks

Removed checks were not used in code.

Change-Id: Ia3a08500c7f15739a1dc16eaceb8cab9d27c42be
log: set short log time format as a default

Rename the option --enable-shortlog to the option --enable-microseconds-log.

Change-Id: I864ea1f21f4c0aa0daef57143b58ae4307b3c7ca