Dockerfile: Drop install of python3.12-setuptools

We don't need to install setuptools from UBI.

The requirements-build.txt has a pinned newest version. The one coming
from UBI repositories is very outdated anyway (69.0.3).

Signed-off-by: Michal Šoltis <msoltis@redhat.com>

Author: slimreaper35

Dockerfile

@@ -29,7 +29,6 @@ RUN dnf -y install \
     gcc \
     python3.12-devel \
     python3.12-pip \
-    python3.12-setuptools \
     && dnf clean all
 
 # Install dependencies in a separate layer to maximize layer caching