refactor(magic_pdf): remove unused imports and update dependencies

- Remove unused imports for concurrent.futures, multiprocessing, and paddle
- Delete commented-out code
- Update numpy dependency to remove upper version limit
- Remove InferenceResult import that was commented out

magic_pdf/model/doc_analyze_by_custom_model.py

-import concurrent.futures as fut
-import multiprocessing as mp
 import os
 import time
 
@@ -25,8 +23,6 @@ from magic_pdf.libs.config_reader import (get_device, get_formula_config,
                                           get_table_recog_config)
 from magic_pdf.model.model_list import MODEL
 
-# from magic_pdf.operators.models import InferenceResult
-
 class ModelSingleton:
     _instance = None
     _models = {}
@@ -244,9 +240,7 @@ def may_batch_image_analyze(
         formula_enable=None,
         table_enable=None):
     # os.environ['CUDA_VISIBLE_DEVICES'] = str(idx)
-    # 关闭paddle的信号处理
-    import paddle
-    paddle.disable_signal_handler()
+
     from magic_pdf.model.batch_analyze import BatchAnalyze
 
     model_manager = ModelSingleton()

requirements.txt

@@ -3,7 +3,7 @@ Brotli>=1.1.0
 click>=8.1.7
 fast-langdetect>=0.2.3,<0.3.0
 loguru>=0.6.0
-numpy>=1.21.6,<2.0.0
+numpy>=1.21.6
 pydantic>=2.7.2
 PyMuPDF>=1.24.9,<=1.24.14
 scikit-learn>=1.0.2