CI: Bump ansible-lint to <26

Remove yamllint usage - it duplicates what reno lint/ansible-lint do.

Change-Id: If8ad229281b2dca565570d651065779c2c871528

.ansible-lint

@@ -36,3 +36,6 @@ skip_list:
   - command-instead-of-module
   - ignore-errors
   - jinja[spacing]
+  - yaml[truthy]
+  - yaml[line-length]
+  - yaml[octal-values]

.yamllint

@@ -1,16 +0,0 @@
----
-extends: default
-ignore: |
-  .tox/
-
-rules:
-  line-length: disable
-  truthy: disable
-  braces:
-    max-spaces-inside: 1
-  comments:
-    require-starting-space: true
-    # Ignore comment validation in globals.yml - we break the
-    # require-starting-space rule.
-    ignore: |
-      etc/kolla/globals.yml

lint-requirements.txt

@@ -1,5 +1,5 @@
 ansible>=10,<12 # GPLv3
-ansible-lint>=6.22.0,<7.0.0 # MIT
+ansible-lint<26 # MIT
 bandit>=1.1.0 # Apache-2.0
 bashate>=0.5.1 # Apache-2.0
 codespell<3 # GPLv2

tox.ini

@@ -108,7 +108,6 @@ commands =
   {[testenv:bandit]commands}
   {[testenv:bashate]commands}
   {[testenv:j2lint]commands}
-  {[testenv:yamllint]commands}
   {[testenv:ansible-lint]commands}
 
 [testenv:pep8]
@@ -160,7 +159,3 @@ deps = {[testenv:linters]deps}
 commands =
   python {toxinidir}/tools/validate-all-file.py
   ansible-lint -p --exclude tests --exclude roles --exclude etc --exclude zuul.d
-
-[testenv:yamllint]
-deps = {[testenv:linters]deps}
-commands = yamllint -s .