Revert erroneously merged code in database.gd

demo/database.gd

@@ -64,22 +64,5 @@ func example_of_fts5_usage():
 	db.query("SELECT * FROM " + table_name + " WHERE posts MATCH 'learn SQLite';")
 	cprint("result: {0}".format([String(db.query_result)]))
 
-	# Export the table to a json-file and automatically encode BLOB data to base64.
-	db.export_to_json(json_name + "_base64_new")
-
-	# Import again!
-	db.import_from_json(json_name + "_base64_old")
-
-	# Check out the 'old' icon stored in this backup file!
-	selected_array = db.select_rows(table_name, "", ["data"])
-	for selected_row in selected_array:
-		var selected_data = selected_row.get("data", PoolByteArray())
-
-		var image := Image.new()
-		var _error : int = image.load_png_from_buffer(selected_data)
-		var loaded_texture := ImageTexture.new()
-		loaded_texture.create_from_image(image)
-		emit_signal("texture_received", loaded_texture)
-
 	# Close the current database
 	db.close_db()