delete pyc files

src/__pycache__/ConverterFactory.cpython-310.pyc

src/__pycache__/ConverterFactory.cpython-38.pyc

src/__pycache__/ProductIdentifier.cpython-310.pyc

src/__pycache__/ProductIdentifier.cpython-38.pyc

src/__pycache__/Variable.cpython-310.pyc

src/converter/__pycache__/Converter.cpython-310.pyc

src/converter/__pycache__/Converter.cpython-38.pyc

src/converter/__pycache__/GifConverter.cpython-310.pyc

src/converter/__pycache__/GifConverter.cpython-38.pyc

src/converter/__pycache__/PtrmsConverter.cpython-310.pyc

src/converter/__pycache__/PtrmsConverter.cpython-38.pyc

src/db/__pycache__/DBReader.cpython-310.pyc

src/db/__pycache__/DBReader.cpython-38.pyc

src/db/__pycache__/ObjectDB.cpython-310.pyc

src/db/__pycache__/ObjectDB.cpython-38.pyc

src/db/__pycache__/ProductDB.cpython-310.pyc

src/db/__pycache__/ProductDB.cpython-38.pyc

src/db/__pycache__/__init__.cpython-310.pyc

src/db/__pycache__/__init__.cpython-38.pyc

src/iointerface/__pycache__/CsvReader.cpython-310.pyc