Remove brew-build.tier0.functional test

To import tests/ dir and compile python-drgn locally, libkdumpfile-devel
is needed. However it is in epel repo for centos/rhel. Not sure if it is
available when doing osci gating test. So we skip the tests for now.

Related: RHEL-6973

Signed-off-by: Tao Liu <ltao@redhat.com>

gating.yaml

@@ -2,5 +2,4 @@
 product_versions:
   - rhel-9
 decision_context: osci_compose_gate
-rules:
-  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
+rules: []

python-drgn.spec

@@ -15,7 +15,7 @@ scripting in Python.}
 
 Name:           python-%{pypi_name}
 Version:        0.0.24
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Programmable debugger
 
 License:        LGPL-2.1-or-later
@@ -117,6 +117,9 @@ cp -PR contrib tools %{buildroot}%{_datadir}/drgn
 %endif
 
 %changelog
+* Wed May 15 2024 Tao Liu <ltao@redhat.com> - 0.0.24-3
+- Remove brew-build.tier0.functional test
+
 * Mon Oct 23 2023 Davide Cavalca <dcavalca@centosproject.org> - 0.0.24-2
 - Import changelog from the EPEL package
 - Add gating.yaml to RHEL-9 python-drgn