aflplusplus: unpin LLVM15 (NixOS#371801)

Author: Mindavi

pkgs/top-level/all-packages.nix

@@ -936,12 +936,7 @@ with pkgs;
     llvm = llvm_16;
   };
 
-  aflplusplus = callPackage ../tools/security/aflplusplus {
-    clang = clang_15;
-    llvm = llvm_15;
-    llvmPackages = llvmPackages_15;
-    wine = null;
-  };
+  aflplusplus = callPackage ../tools/security/aflplusplus { wine = null; };
 
   libdislocator = callPackage ../tools/security/aflplusplus/libdislocator.nix { };