python: use locally installed auditwheel

`auditwheel` is a part of manylinux images,
there is no need to create a virtual environment
and install it again.

python/tox.ini

@@ -34,18 +34,6 @@ passenv =
     CARGO_TARGET_DIR
     RUSTC_WRAPPER
 
-[testenv:auditwheels]
-skipsdist = True
-deps = auditwheel
-passenv =
-    DCC_RS_DEV
-    DCC_RS_TARGET
-    AUDITWHEEL_ARCH
-    AUDITWHEEL_PLAT
-    AUDITWHEEL_POLICY
-commands = 
-    python tests/auditwheels.py {toxworkdir}/wheelhouse
-
 [testenv:lint]
 skipsdist = True
 skip_install = True