tox-uv is not needed to run tests in our environment.

--- build-1.3.0/tox.ini.orig
+++ build-1.3.0/tox.ini
@@ -1,7 +1,6 @@
 [tox]
 requires =
     tox>=4.22
-    tox-uv
     virtualenv>=20.0.34
 env_list =
     fix