rm tools npu (#53870)

* rm tools npu

* Update get_pr_ut.py

* Update get_pr_ut.py

tools/get_pr_ut.py

@@ -402,11 +402,7 @@ class PRChecker:
                     if f_judge.endswith('.md'):
                         ut_list.append('md_placeholder')
                         onlyCommentsFilesOrXpu.append(f_judge)
-                    elif (
-                        'test/xpu' in f_judge
-                        or 'tests/unittests/npu' in f_judge
-                        or 'op_npu.cc' in f_judge
-                    ):
+                    elif 'test/xpu' in f_judge:
                         ut_list.append('xpu_npu_placeholder')
                         onlyCommentsFilesOrXpu.append(f_judge)
                     elif f_judge.endswith(('.h', '.cu', '.cc', '.py')):