libvirtSnmpInit: Don't report errors from libvirtRegisterEvents()

The libvirtRegisterEvents() function now reports errors on its
own. No need to duplicate the effort.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Status Job ID Name Coverage
  Build
failed #110202171
build

 
  Test
skipped #110202173
allowed to fail
code_quality
skipped #110202177
allowed to fail
container_scanning
skipped #110202176
allowed to fail
dependency_scanning
skipped #110202174
allowed to fail
license_management
skipped #110202175
allowed to fail
sast
skipped #110202172
test
 
Name Stage Failure
failed
build Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace