Cleanup: use set.discard instead of a __contains__ check before remove()

doc/python_api/sphinx_changelog_gen.py

@@ -318,8 +318,7 @@ def api_changelog(args):
                         props_moved.append((prop_id_old, prop_id_new))
 
                         # remove
-                        if prop_id_old in set_props_old:
-                            set_props_old.remove(prop_id_old)
+                        set_props_old.discard(prop_id_old)
                         set_props_new.remove(prop_id_new)
 
             # func args

scripts/modules/bl_console_utils/autocomplete/complete_import.py

@@ -64,10 +64,9 @@ def get_root_modules():
     # needed for modules defined in C
     modules += sys.modules.keys()
 
-    modules = list(set(modules))
-    if '__init__' in modules:
-        modules.remove('__init__')
-    modules = sorted(modules)
+    modules = set(modules)
+    modules.discard("__init__")
+    modules = sorted(list(modules))
     if store:
         ROOT_MODULES = modules
     return modules