remove obsolete distros

Makefile

@@ -308,22 +308,22 @@ pkglist: $(REL_ARCH)-pkglist
 amd64-%: SYS_ARCH := x86_64
 amd64-packages: amd64-centos amd64-ubuntu amd64-debian amd64-fedora amd64-opensuse amd64-almalinux
 amd64-almalinux: almalinux8 almalinux8-clang almalinux8-dbg almalinux9 almalinux9-clang almalinux9-dbg
-amd64-centos: centos8 centos8-clang centos8-dbg centos9 centos9-clang centos9-dbg
-amd64-debian: debian10 debian10-dbg debian11 debian11-clang debian11-dbg debian12 debian12-clang debian12-dbg
-amd64-fedora: fedora38 fedora38-clang fedora38-dbg fedora39 fedora39-clang fedora39-dbg fedora40 fedora40-clang fedora40-dbg fedora41 fedora41-clang fedora41-dbg
+amd64-centos: centos9 centos9-clang centos9-dbg
+amd64-debian: debian11 debian11-clang debian11-dbg debian12 debian12-clang debian12-dbg
+amd64-fedora: fedora40 fedora40-clang fedora40-dbg fedora41 fedora41-clang fedora41-dbg
 amd64-opensuse: opensuse15 opensuse15-clang opensuse15-dbg
-amd64-ubuntu: ubuntu18 ubuntu18-dbg ubuntu20 ubuntu20-clang ubuntu20-dbg ubuntu22 ubuntu22-clang ubuntu22-dbg ubuntu24 ubuntu24-clang ubuntu24-dbg
+amd64-ubuntu: ubuntu22 ubuntu22-clang ubuntu22-dbg ubuntu24 ubuntu24-clang ubuntu24-dbg
 amd64-pkglist:
 	@make -nk amd64-packages 2>/dev/null | grep -Po '(?<=binaries/)proxysql\S+$$'
 
 arm64-%: SYS_ARCH := aarch64
 arm64-packages: arm64-centos arm64-debian arm64-ubuntu arm64-fedora arm64-opensuse arm64-almalinux
 arm64-almalinux: almalinux8 almalinux9
-arm64-centos: centos8 centos9
-arm64-debian: debian10 debian11 debian12
-arm64-fedora: fedora38 fedora39 fedora40 fedora41
+arm64-centos: centos9
+arm64-debian: debian11 debian12
+arm64-fedora: fedora40 fedora41
 arm64-opensuse: opensuse15
-arm64-ubuntu: ubuntu18 ubuntu20 ubuntu22 ubuntu24
+arm64-ubuntu: ubuntu22 ubuntu24
 arm64-pkglist:
 	@make -nk arm64-packages 2>/dev/null | grep -Po '(?<=binaries/)proxysql\S+$$'