Fix chromaDB method name typo

src/vanna/chromadb/chromadb_vector.py

@@ -154,7 +154,7 @@ def remove_training_data(self, id: str, **kwargs) -> bool:
             return True
         else:
             return False
-    def reomove_collection(self, collection_name: str) -> bool:
+    def remove_collection(self, collection_name: str) -> bool:
         """
         This function can reset the collection to empty state.