refactor: remove mandatory transcription and image methods in LLMInterface

cognee/infrastructure/llm/structured_output_framework/litellm_instructor/llm/llm_interface.py

@@ -14,8 +14,6 @@ class LLMInterface(Protocol):
 
     Methods:
     - acreate_structured_output(text_input: str, system_prompt: str, response_model: Type[BaseModel])
-    - create_transcript(input): Transcribe audio files to text
-    - transcribe_image(input): Analyze image files and return text description
     """
 
     @abstractmethod
@@ -37,39 +35,3 @@ class LLMInterface(Protocol):
               output.
         """
         raise NotImplementedError
-
-    @abstractmethod
-    async def create_transcript(self, input) -> TranscriptionReturnType:
-        """
-        Transcribe audio content to text.
-
-        This method should be implemented by subclasses that support audio transcription.
-        If not implemented, returns None and should be handled gracefully by callers.
-
-        Parameters:
-        -----------
-            - input: The path to the audio file that needs to be transcribed.
-
-        Returns:
-        --------
-            - BaseModel: A structured output containing the transcription, or None if not supported.
-        """
-        raise NotImplementedError
-
-    @abstractmethod
-    async def transcribe_image(self, input) -> BaseModel:
-        """
-        Analyze image content and return text description.
-
-        This method should be implemented by subclasses that support image analysis.
-        If not implemented, returns None and should be handled gracefully by callers.
-
-        Parameters:
-        -----------
-            - input: The path to the image file that needs to be analyzed.
-
-        Returns:
-        --------
-            - BaseModel: A structured output containing the image description, or None if not supported.
-        """
-        raise NotImplementedError