chore: remove debian-slim comment linking libatomic1 with arm

libatomic1 is required for Debian and Node.js >=25

Author: MikeMcC399

Dockerfile-slim.template

@@ -10,7 +10,6 @@ RUN ARCH= OPENSSL_ARCH= && dpkgArch="$(dpkg --print-architecture)" \
       "${DEB_ARCH[@]}"
     esac \
     && set -ex \
-    # libatomic1 for arm
     && apt-get update && apt-get install -y ca-certificates curl wget gnupg dirmngr xz-utils libatomic1 --no-install-recommends \
     && rm -rf /var/lib/apt/lists/* \
     # use pre-existing gpg directory, see https://github.com/nodejs/docker-node/pull/1895#issuecomment-1550389150