Revert ocr/service.py to develop branch version

This file was accidentally modified during merge, introducing duplicate code.
Reverting to avoid conflicts and maintain clean codebase.

Author: kaleko

lib/idp_common_pkg/idp_common/ocr/service.py

@@ -313,9 +313,6 @@ def __init__(
         # Initialize document converter for non-PDF formats
         self.document_converter = DocumentConverter(dpi=self.dpi or 150)
 
-        # Initialize document converter for non-PDF formats
-        self.document_converter = DocumentConverter(dpi=self.dpi or 150)
-
     def process_document(self, document: Document) -> Document:
         """
         Process a document with OCR and update the Document model.