Unignore two (ex-) generated files
Unignore two (ex-) generated files

Commit ec3370b019 converged the optimizer and planner behavior in terms
of constraint enforcement. This commit un-ignores the previously
generated files. We were scratching our heads when the "constraints" and
"sreh" tests were failing on our workstations because of a stale
optimizer answer file.

Signed-off-by: Tom Meyer <babf60eec1a2c3d402c8f7f9a65f09e3b63e2c9d@pivotal.io>

edespino/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,adam8157/gpdb,ashwinstar/gpdb,edespino/gpdb,50wu/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,xinzweb/gpdb,edespino/gpdb,lisakowen/gpdb,greenplum-db/gpdb,adam8157/gpdb,ashwinstar/gpdb,edespino/gpdb,Chibin/gpdb,Chibin/gpdb,lisakowen/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,adam8157/gpdb,lisakowen/gpdb,adam8157/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,lisakowen/gpdb,yuanzhao/gpdb,Chibin/gpdb,xinzweb/gpdb,50wu/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,adam8157/gpdb,jmcatamney/gpdb,50wu/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,50wu/gpdb,Chibin/gpdb,jmcatamney/gpdb,Chibin/gpdb,lisakowen/gpdb,xinzweb/gpdb,edespino/gpdb,jmcatamney/gpdb,adam8157/gpdb,Chibin/gpdb,Chibin/gpdb,Chibin/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,50wu/gpdb,50wu/gpdb,edespino/gpdb,xinzweb/gpdb,edespino/gpdb,xinzweb/gpdb,lisakowen/gpdb,jmcatamney/gpdb,edespino/gpdb,lisakowen/gpdb,edespino/gpdb,edespino/gpdb,ashwinstar/gpdb,xinzweb/gpdb,yuanzhao/gpdb,50wu/gpdb,yuanzhao/gpdb,lisakowen/gpdb,xinzweb/gpdb,50wu/gpdb,adam8157/gpdb,Chibin/gpdb,jmcatamney/gpdb,adam8157/gpdb,xinzweb/gpdb,Chibin/gpdb,greenplum-db/gpdb