Drop Debian 12 from supported OS list (#6337)

* Drop Debian 12 from supported OS list

With the deprecation of Home Assistant Supervised installation method
Debian 12 is no longer supported. This change removes Debian 12
from the list of supported operating systems in the evaluation logic.

* Improve tests

supervisor/resolution/evaluations/operating_system.py

@@ -5,8 +5,6 @@ from ...coresys import CoreSys
 from ..const import UnsupportedReason
 from .base import EvaluateBase
 
-SUPPORTED_OS = ["Debian GNU/Linux 12 (bookworm)"]
-
 
 def setup(coresys: CoreSys) -> EvaluateBase:
     """Initialize evaluation-setup function."""
@@ -33,6 +31,4 @@ class EvaluateOperatingSystem(EvaluateBase):
 
     async def evaluate(self) -> bool:
         """Run evaluation."""
-        if self.sys_os.available:
+        return not self.sys_os.available
-            return False
-        return self.sys_host.info.operating_system not in SUPPORTED_OS

tests/resolution/evaluation/test_evaluate_operating_system.py

@@ -5,10 +5,7 @@ from unittest.mock import MagicMock, patch
 
 from supervisor.const import CoreState
 from supervisor.coresys import CoreSys
-from supervisor.resolution.evaluations.operating_system import (
+from supervisor.resolution.evaluations.operating_system import EvaluateOperatingSystem
-    SUPPORTED_OS,
-    EvaluateOperatingSystem,
-)
 
 
 async def test_evaluation(coresys: CoreSys):
@@ -25,13 +22,7 @@ async def test_evaluation(coresys: CoreSys):
     assert operating_system.reason in coresys.resolution.unsupported
 
     coresys.os._available = True
-    await operating_system()
+    assert coresys.os.available
-    assert operating_system.reason not in coresys.resolution.unsupported
-    coresys.os._available = False
-
-    coresys.host._info = MagicMock(
-        operating_system=SUPPORTED_OS[0], timezone=None, timezone_tzinfo=None
-    )
     await operating_system()
     assert operating_system.reason not in coresys.resolution.unsupported