ZTS: Update enospc_002_pos test case

The on-disk cost of creating a snapshot or bookmark is sufficiently low
that it is difficult to make it reliably fail even when the pool is
"full".  In order to avoid false positives remove these two checks from
the test case.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes openzfs#13060

tests/test-runner/bin/zts-report.py.in

@@ -242,7 +242,6 @@ maybe = {
     'largest_pool/largest_pool_001_pos': ['FAIL', known_reason],
     'mmp/mmp_on_uberblocks': ['FAIL', known_reason],
     'pyzfs/pyzfs_unittest': ['SKIP', python_deps_reason],
-    'no_space/enospc_002_pos': ['FAIL', enospc_reason],
     'pool_checkpoint/checkpoint_discard_busy': ['FAIL', '11946'],
     'projectquota/setup': ['SKIP', exec_reason],
     'redundancy/redundancy_004_neg': ['FAIL', '7290'],

tests/zfs-tests/tests/functional/no_space/enospc_002_pos.ksh

@@ -61,9 +61,6 @@ done
 
 log_mustnot_expect space zfs create $TESTPOOL/$TESTFS/subfs
 log_mustnot_expect space zfs clone $TESTPOOL/$TESTFS@snap $TESTPOOL/clone
-log_mustnot_expect space zfs snapshot $TESTPOOL/$TESTFS@snap2
-log_mustnot_expect space zfs bookmark \
-    $TESTPOOL/$TESTFS@snap $TESTPOOL/$TESTFS#bookmark
 
 log_must zfs send $TESTPOOL/$TESTFS@snap > $TEST_BASE_DIR/stream.$$
 log_mustnot_expect space zfs receive $TESTPOOL/$TESTFS/recvd < $TEST_BASE_DIR/stream.$$