Merge branch 'fix/remove-glibc-installation' into 'master'

Remove patched glibc installation step again

See merge request DasSkelett/nginx-quic-docker!3

Dockerfile

 FROM archlinux:base-devel
 
-# Manually install patched glibc to workaround new system calls not known to Docker/runc
-RUN patched_glibc=glibc-linux4-2.33-4-x86_64.pkg.tar.zst && \
-    curl -LO "https://repo.archlinuxcn.org/x86_64/$patched_glibc" && \
-    bsdtar -C / -xvf "$patched_glibc"
-
 RUN set -x \
     && groupadd --gid 101 --system nginx \
     && useradd --uid 101 --gid nginx --system --create-home --home-dir /var/cache/nginx --shell /sbin/nologin nginx \