remove doc from supported processing types (infiniflow#488)

### What problem does this PR solve?
infiniflow#474 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

rag/app/book.py

@@ -67,7 +67,7 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
     doc["title_sm_tks"] = huqie.qieqie(doc["title_tks"])
     pdf_parser = None
     sections, tbls = [], []
-    if re.search(r"\.docx?$", filename, re.IGNORECASE):
+    if re.search(r"\.docx$", filename, re.IGNORECASE):
         callback(0.1, "Start to parse.")
         doc_parser = DocxParser()
         # TODO: table of contents need to be removed

rag/app/laws.py

@@ -93,7 +93,7 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
     doc["title_sm_tks"] = huqie.qieqie(doc["title_tks"])
     pdf_parser = None
     sections = []
-    if re.search(r"\.docx?$", filename, re.IGNORECASE):
+    if re.search(r"\.docx$", filename, re.IGNORECASE):
         callback(0.1, "Start to parse.")
         for txt in Docx()(filename, binary):
             sections.append(txt)

rag/app/naive.py

@@ -119,7 +119,7 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
     res = []
     pdf_parser = None
     sections = []
-    if re.search(r"\.docx?$", filename, re.IGNORECASE):
+    if re.search(r"\.docx$", filename, re.IGNORECASE):
         callback(0.1, "Start to parse.")
         sections, tbls = Docx()(filename, binary)
         res = tokenize_table(tbls, doc, eng)

rag/app/one.py

@@ -60,7 +60,7 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
 
     eng = lang.lower() == "english"  # is_english(cks)
 
-    if re.search(r"\.docx?$", filename, re.IGNORECASE):
+    if re.search(r"\.docx$", filename, re.IGNORECASE):
         callback(0.1, "Start to parse.")
         sections = [txt for txt in laws.Docx()(filename, binary) if txt]
         callback(0.8, "Finish parsing.")