added removeEmptyNotes (#221)

* clearUnusedTags and replaceTags are added

* added clearUnusedTags and replaceTags

* added clearUnusedTags and replaceTags

* removed whitespaces and indentations

* removed white spaces and indentations

* added removeEmptyNotes

actions/notes.md

@@ -433,3 +433,24 @@
         "error": null
     }
     ```
+
+*   **removeEmptyNotes**
+
+    Removes all the empty notes for the current user.
+
+    *Sample request*:
+    ```json
+    {
+        "action": "removeEmptyNotes",
+        "version": 6
+    }
+    ```
+
+    *Sample result*:
+    ```json
+    {
+        "result": null,
+        "error": null
+    }
+    ```
+    

plugin/__init__.py

@@ -1085,7 +1085,12 @@ class AnkiConnect:
         finally:
             self.stopEditing()
 
-
+    @util.api()
+    def removeEmptyNotes(self):
+        for model in self.collection().models.all():
+            if self.collection().models.useCount(model) == 0:
+                self.collection().models.rem(model)
+        self.window().requireReset()
 
 
     @util.api()