Update setup.py after ubuntu deprecation

actions/runner-images#11101 officially
deprecated ubuntu builds for triton so they are no longer building them
for llvm, but setup.py is still looking for them. Fall back to almalinux
in these cases.

Author: vwbaker

python/setup.py

@@ -195,19 +195,12 @@ def get_llvm_package_info():
     if system == "Darwin":
         system_suffix = f"macos-{arch}"
     elif system == "Linux":
-        if arch == 'arm64' and is_linux_os('almalinux'):
+        if arch == 'arm64':
             system_suffix = 'almalinux-arm64'
-        elif arch == 'arm64':
-            system_suffix = 'ubuntu-arm64'
         elif arch == 'x64':
             vglibc = tuple(map(int, platform.libc_ver()[1].split('.')))
             vglibc = vglibc[0] * 100 + vglibc[1]
-            if vglibc > 228:
-                # Ubuntu 24 LTS (v2.39)
-                # Ubuntu 22 LTS (v2.35)
-                # Ubuntu 20 LTS (v2.31)
-                system_suffix = "ubuntu-x64"
-            elif vglibc > 217:
+            if vglibc > 217:
                 # Manylinux_2.28 (v2.28)
                 # AlmaLinux 8 (v2.28)
                 system_suffix = "almalinux-x64"