refactor: remove Debian/DEB packaging, RPM-only support

- Remove all DEB packaging files (packaging/deb/*)
- Update Dockerfile.package to build RPM packages only
- Update build.sh to remove DEB build steps
- Update architecture.yml to reflect RPM-only distribution
- Update README.md installation instructions for RPM only
- Change runtime image from distroless/base-debian12 to scratch
- Clean up obsolete build artifacts in dist/

Supported distributions now:
- CentOS 7 (el7)
- Rocky Linux 8 (el8)
- Rocky Linux 9 (el9)
- Rocky Linux 10 (el10)

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

packaging/deb/postinst

@@ -1,66 +0,0 @@
-#!/bin/bash
-set -e
-
-# postinst script for logcorrelator .deb package
-
-case "$1" in
-    configure)
-        # Create logcorrelator user and group if they don't exist
-        if ! getent group logcorrelator > /dev/null 2>&1; then
-            groupadd --system logcorrelator
-        fi
-
-        if ! getent passwd logcorrelator > /dev/null 2>&1; then
-            useradd --system \
-                --gid logcorrelator \
-                --home-dir /var/lib/logcorrelator \
-                --no-create-home \
-                --shell /usr/sbin/nologin \
-                logcorrelator
-        fi
-
-        # Create necessary directories
-        mkdir -p /var/lib/logcorrelator
-        mkdir -p /var/run/logcorrelator
-        mkdir -p /var/log/logcorrelator
-        mkdir -p /etc/logcorrelator
-
-        # Set proper ownership
-        chown -R logcorrelator:logcorrelator /var/lib/logcorrelator
-        chown -R logcorrelator:logcorrelator /var/run/logcorrelator
-        chown -R logcorrelator:logcorrelator /var/log/logcorrelator
-        chown -R logcorrelator:logcorrelator /etc/logcorrelator
-
-        # Set proper permissions
-        chmod 750 /var/lib/logcorrelator
-        chmod 750 /var/log/logcorrelator
-        chmod 750 /etc/logcorrelator
-
-        # Install default config if it doesn't exist
-        if [ ! -f /etc/logcorrelator/logcorrelator.yml ]; then
-            cp /usr/share/logcorrelator/logcorrelator.yml.example /etc/logcorrelator/logcorrelator.yml
-            chown logcorrelator:logcorrelator /etc/logcorrelator/logcorrelator.yml
-            chmod 640 /etc/logcorrelator/logcorrelator.yml
-        fi
-
-        # Enable and start the service (if running in a real system, not container)
-        if [ -x /bin/systemctl ] && [ -d /run/systemd/system ]; then
-            systemctl daemon-reload
-            systemctl enable logcorrelator.service
-            if ! systemctl is-active --quiet logcorrelator.service; then
-                systemctl start logcorrelator.service
-            fi
-        fi
-        ;;
-
-    abort-upgrade|abort-remove|abort-deconfigure)
-        # On abort, do nothing special
-        ;;
-
-    *)
-        echo "postinst called with unknown argument '$1'" >&2
-        exit 1
-        ;;
-esac
-
-exit 0

packaging/deb/postrm

@@ -1,52 +0,0 @@
-#!/bin/bash
-set -e
-
-# postrm script for logcorrelator .deb package
-
-case "$1" in
-    remove)
-        # On remove, leave config and data files
-        ;;
-
-    purge)
-        # On purge, remove everything
-
-        # Stop service if running
-        if [ -x /bin/systemctl ] && [ -d /run/systemd/system ]; then
-            systemctl stop logcorrelator.service 2>/dev/null || true
-            systemctl disable logcorrelator.service 2>/dev/null || true
-            systemctl daemon-reload
-        fi
-
-        # Remove configuration
-        rm -rf /etc/logcorrelator
-
-        # Remove data and logs
-        rm -rf /var/lib/logcorrelator
-        rm -rf /var/log/logcorrelator
-        rm -rf /var/run/logcorrelator
-
-        # Remove user and group
-        if getent passwd logcorrelator > /dev/null 2>&1; then
-            userdel logcorrelator 2>/dev/null || true
-        fi
-
-        if getent group logcorrelator > /dev/null 2>&1; then
-            groupdel logcorrelator 2>/dev/null || true
-        fi
-        ;;
-
-    abort-upgrade|abort-remove|abort-deconfigure)
-        # On abort, restart the service
-        if [ -x /bin/systemctl ] && [ -d /run/systemd/system ]; then
-            systemctl start logcorrelator.service 2>/dev/null || true
-        fi
-        ;;
-
-    *)
-        echo "postrm called with unknown argument '$1'" >&2
-        exit 1
-        ;;
-esac
-
-exit 0

packaging/deb/prerm

@@ -1,29 +0,0 @@
-#!/bin/bash
-set -e
-
-# prerm script for logcorrelator .deb package
-
-case "$1" in
-    remove|deconfigure)
-        # Stop and disable the service
-        if [ -x /bin/systemctl ] && [ -d /run/systemd/system ]; then
-            systemctl stop logcorrelator.service 2>/dev/null || true
-            systemctl disable logcorrelator.service 2>/dev/null || true
-            systemctl daemon-reload
-        fi
-        ;;
-
-    upgrade)
-        # On upgrade, just stop the service (will be restarted by postinst)
-        if [ -x /bin/systemctl ] && [ -d /run/systemd/system ]; then
-            systemctl stop logcorrelator.service 2>/dev/null || true
-        fi
-        ;;
-
-    *)
-        echo "prerm called with unknown argument '$1'" >&2
-        exit 1
-        ;;
-esac
-
-exit 0