Remove inactive committers

Remove inactive committers

The TSC decided to remove the committers that have been inactive in gerit
for a year or more. If any of the people removed by this patch are
contributing to the project in other ways, and the PTL would like to keep
the gerrit rights for them, please ammend this patch.

For other updates on the committer list, please follow the procedure descrbed
in https://wiki.opnfv.org/display/DEV/Developer+governance+and+reports

JIRA: TSC-14

Change-Id: Iaeddd7ecbcd7d52067fb1956c3e10c44f3fe106e
Signed-off-by: Cristina Pauna <cristina.pauna@enea.com>