Fix in cleanup_26252.py

from pathlib import Path

import os

import glob

files = ['Readme_IVAS_JBM_dec.txt','Readme_IVAS_dec.txt','Readme_IVAS_enc.txt','Readme_IVAS_rend.txt'];

kept = 0

removed = 0

# Input files explicitly listed in scripts

for file in files:

    with open(file,"r") as fp:

        for line in fp:

                if "$TESTV_PATH" in item or "$REF_PATH" in item:

                    used_files.append(Path(item).name)

# All .dat files in testv (binary render config files listed via txt config file)

for file in glob.glob("testvec/testv/*.dat"):

    used_files.append(Path(item).name)    

# All .met, .csv and .wav files in .txt configuration files

for file in glob.glob("testvec/testv/*.txt"):

    with open(file,"r") as fp:

        for line in fp:        

            if any(x in line for x in [".met",".csv",".wav"]):

                used_files.append(Path(line).name)                    

# Remove duplicates

used_files = list(dict.fromkeys(used_files))