PyAPI: remove checks for add-ons pre 2.8x

This made sense when migrating from 2.7x, now 2.8x add-ons may also
have issues in 4.1 so this check isn't so relevant.

scripts/modules/addon_utils.py

@@ -408,14 +408,6 @@ def enable(module_name, *, default_set=False, persistent=False, handle_error=Non
                 _addon_remove(module_name)
             return None
 
-        # 1.1) Fail when add-on is too old.
-        # This is a temporary 2.8x migration check, so we can manage addons that are supported.
-
-        if mod.bl_info.get("blender", (0, 0, 0)) < (2, 80, 0):
-            if _bpy.app.debug:
-                print("Warning: Add-on '%s' was not upgraded for 2.80, ignoring" % module_name)
-            return None
-
         # 2) Try register collected modules.
         # Removed register_module, addons need to handle their own registration now.
 

tests/python/bl_load_addons.py

@@ -36,10 +36,6 @@ def _init_addon_blacklist():
     if not bpy.app.build_options.xr_openxr:
         BLACKLIST_ADDONS.add("viewport_vr_preview")
 
-    for mod in addon_utils.modules():
-        if addon_utils.module_bl_info(mod)['blender'] < (2, 80, 0):
-            BLACKLIST_ADDONS.add(mod.__name__)
-
 
 def addon_modules_sorted():
     # Pass in an empty module cache to prevent `addon_utils` local module cache being manipulated.

tests/python/bl_load_py_modules.py

@@ -27,10 +27,6 @@ BLACKLIST = {
     os.path.join("io_blend_utils", "blender_bam-unpacked.whl"),
 }
 
-for mod in addon_utils.modules():
-    if addon_utils.module_bl_info(mod)['blender'] < (2, 80, 0):
-        BLACKLIST.add(mod.__name__)
-
 # Some modules need to add to the `sys.path`.
 MODULE_SYS_PATHS = {
     # Runs in a Python subprocess, so its expected its basedir can be imported.