message: removed placeholder protocol from importcache
diff: @@ -116,19 +116,6 @@ protected:
  }
  };
  -struct ProtocolCacheItem : public PythonImportCacheItem {
  -public:
  - ~ProtocolCacheItem() override {
  - }
  - virtual void LoadSubtypes(PythonImportCache &cache) override {
  - table.LoadAttribute("TableLike", cache, *this);
  - }
  -
  -public:
  - //! protocols.TableLike
  - PythonImportCacheItem table;
  -};
  -
  struct DecimalCacheItem : public PythonImportCacheItem {
  public:
  ~DecimalCacheItem() override {
  @@ -197,7 +184,6 @@ public:
  datetime.LoadModule("datetime", *this);
  decimal.LoadModule("decimal", *this);
  uuid.LoadModule("uuid", *this);
  - protocol.LoadModule("pyduckdb.protocols", *this);
  pandas.LoadModule("pandas", *this);
  arrow.LoadModule("pyarrow", *this);
  }
  @@ -208,7 +194,6 @@ public:
  DatetimeCacheItem datetime;
  DecimalCacheItem decimal;
  UUIDCacheItem uuid;
  - ProtocolCacheItem protocol;
  PandasCacheItem pandas;
  ArrowCacheItem arrow;
  