Remove Python 2 traces from dnf/dnf5 modules (#82985)

lib/ansible/modules/dnf.py

@@ -288,8 +288,7 @@ notes:
     removal the module is unable to detect that the group is installed
     (https://bugzilla.redhat.com/show_bug.cgi?id=1620324)
 requirements:
-  - "python >= 2.6"
-  - python-dnf
+  - python3-dnf
   - for the autoremove option you need dnf >= 2.0.1"
 author:
   - Igor Gnatenko (@ignatenkobrain) <i.gnatenko.brain@gmail.com>
@@ -500,7 +499,6 @@ class DnfModule(YumDnf):
 
         system_interpreters = ['/usr/libexec/platform-python',
                                '/usr/bin/python3',
-                               '/usr/bin/python2',
                                '/usr/bin/python']
 
         if not has_respawned():
@@ -515,7 +513,7 @@ class DnfModule(YumDnf):
         # done all we can do, something is just broken (auto-install isn't useful anymore with respawn, so it was removed)
         self.module.fail_json(
             msg="Could not import the dnf python module using {0} ({1}). "
-                "Please install `python3-dnf` or `python2-dnf` package or ensure you have specified the "
+                "Please install `python3-dnf` package or ensure you have specified the "
                 "correct ansible_python_interpreter. (attempted {2})"
                 .format(sys.executable, sys.version.replace('\n', ''), system_interpreters),
             results=[]

lib/ansible/modules/dnf5.py

@@ -243,7 +243,6 @@ attributes:
     platform:
         platforms: rhel
 requirements:
-  - "python3"
   - "python3-libdnf5"
 version_added: 2.15
 """
@@ -453,7 +452,6 @@ class Dnf5Module(YumDnf):
         system_interpreters = [
             "/usr/libexec/platform-python",
             "/usr/bin/python3",
-            "/usr/bin/python2",
             "/usr/bin/python",
         ]
 
@@ -477,12 +475,6 @@ class Dnf5Module(YumDnf):
         )
 
     def run(self):
-        if sys.version_info.major < 3:
-            self.module.fail_json(
-                msg="The dnf5 module requires Python 3.",
-                failures=[],
-                rc=1,
-            )
         if not self.list and not self.download_only and os.geteuid() != 0:
             self.module.fail_json(
                 msg="This command has to be run under the root user.",