Revert "Skip manila_tempest_tests.tests.api.test_shares.SharesNFSTest test"

This reverts commit 021b8a77a6.

Reason for revert: fixed with https://github.com/ceph/ceph/pull/42162
Related-Bug: 1934879

Change-Id: I20f8ce51c6bb59207ef82bd7786bc788c9fd313f

roles/validate-tempest/vars/tempest_skip.yml

@@ -1562,24 +1562,6 @@ known_failures:
         lp: https://bugs.launchpad.net/tripleo/+bug/1933999
     jobs:
       - periodic-tripleo-ci-centos-8-ovb-3ctlr_1comp-featureset035-master
-  - test: manila_tempest_tests.tests.api.test_shares.SharesNFSTest
-    deployment:
-      - overcloud
-    releases:
-      - name: victoria
-        reason: Request timed out
-        lp: https://bugs.launchpad.net/tripleo/+bug/1934879
-      - name: ussuri
-        reason: Request timed out
-        lp: https://bugs.launchpad.net/tripleo/+bug/1934879
-      - name: train
-        reason: Request timed out
-        lp: https://bugs.launchpad.net/tripleo/+bug/1934879
-    jobs:
-      - periodic-tripleo-ci-centos-8-scenario004-standalone-victoria
-      - periodic-tripleo-ci-centos-8-scenario004-standalone-ussuri
-      - periodic-tripleo-ci-centos-8-scenario004-standalone-train
-      - tripleo-ci-centos-8-scenario004-standalone
   - test: tempest.scenario.test_object_storage_basic_ops.TestObjectStorageBasicOps.test_swift_acl_anonymous_download
     deployment:
       - overcloud