fix: drop dead code phase2 unused class (#22042)

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

api/core/rag/extractor/unstructured/unstructured_pdf_extractor.py

@@ -1,47 +0,0 @@
-import logging
-
-from core.rag.extractor.extractor_base import BaseExtractor
-from core.rag.models.document import Document
-
-logger = logging.getLogger(__name__)
-
-
-class UnstructuredPDFExtractor(BaseExtractor):
-    """Load pdf files.
-
-
-    Args:
-        file_path: Path to the file to load.
-
-        api_url: Unstructured API URL
-
-        api_key: Unstructured API Key
-    """
-
-    def __init__(self, file_path: str, api_url: str, api_key: str):
-        """Initialize with file path."""
-        self._file_path = file_path
-        self._api_url = api_url
-        self._api_key = api_key
-
-    def extract(self) -> list[Document]:
-        if self._api_url:
-            from unstructured.partition.api import partition_via_api
-
-            elements = partition_via_api(
-                filename=self._file_path, api_url=self._api_url, api_key=self._api_key, strategy="auto"
-            )
-        else:
-            from unstructured.partition.pdf import partition_pdf
-
-            elements = partition_pdf(filename=self._file_path, strategy="auto")
-
-        from unstructured.chunking.title import chunk_by_title
-
-        chunks = chunk_by_title(elements, max_characters=2000, combine_text_under_n_chars=2000)
-        documents = []
-        for chunk in chunks:
-            text = chunk.text.strip()
-            documents.append(Document(page_content=text))
-
-        return documents

api/core/rag/extractor/unstructured/unstructured_text_extractor.py

@@ -1,34 +0,0 @@
-import logging
-
-from core.rag.extractor.extractor_base import BaseExtractor
-from core.rag.models.document import Document
-
-logger = logging.getLogger(__name__)
-
-
-class UnstructuredTextExtractor(BaseExtractor):
-    """Load msg files.
-
-
-    Args:
-        file_path: Path to the file to load.
-    """
-
-    def __init__(self, file_path: str, api_url: str):
-        """Initialize with file path."""
-        self._file_path = file_path
-        self._api_url = api_url
-
-    def extract(self) -> list[Document]:
-        from unstructured.partition.text import partition_text
-
-        elements = partition_text(filename=self._file_path)
-        from unstructured.chunking.title import chunk_by_title
-
-        chunks = chunk_by_title(elements, max_characters=2000, combine_text_under_n_chars=2000)
-        documents = []
-        for chunk in chunks:
-            text = chunk.text.strip()
-            documents.append(Document(page_content=text))
-
-        return documents