rm contrib api code test (#25240)

tools/sampcd_processor.py

@@ -481,7 +481,10 @@ def get_filenames():
                 print("\nWARNING:----Exception in get api filename----\n")
                 print("\n" + api + ' module is ' + module + "\n")
             if filename != '':
-                if filename not in filenames:
+                # rm contrib file
+                if filename.startswith('../python/paddle/fluid/contrib'):
+                    pass
+                elif filename not in filenames:
                     filenames.append(filename)
             # get all methods
             method = ''