remove clang++ for musl

Author: murat-dogan

.github/workflows/build-linux.yml

@@ -23,9 +23,9 @@ jobs:
             platform: alpine
             version: 3.16
             libc: musl
-            gcc_install: clang clang++ lld
+            gcc_install: clang lld
             gcc: clang
-            gxx: clang++
+            gxx: clang
           # libc is intentionally not set here, as prebuild-install requires libc to not be set for glibc builds
           - triple: "linux-gnu"
             platform: debian