Remove null check

Author: Jack251970

Flow.Launcher/PublicAPIInstance.cs

@@ -296,7 +296,7 @@ public void SavePluginSettings()
         {
             foreach (var savable in _pluginJsonStorages.Values)
             {
-                savable?.Save();
+                savable.Save();
             }
         }
 
@@ -514,7 +514,7 @@ public void SavePluginCaches()
         {
             foreach (var savable in _pluginBinaryStorages.Values)
             {
-                savable?.Save();
+                savable.Save();
             }
         }