Undo abort on startup if sse3 is not supported.
Undo abort on startup if sse3 is not supported.

VMs don't report this correctly so we'd mistakenly not be able to
run now with the additional check.

Change-Id: I3ca1e9cdee8b77dff5022c33223f803fee1f9f2a
Reviewed-on: http://gerrit.ent.cloudera.com:8080/961
Reviewed-by: Henry Robinson <3eca10f30041813f045165784e24b5a950a6cc7e@cloudera.com>
Tested-by: jenkins

cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala