Delete C++ implementation and dead code

src/compiler.bbb

@@ -17151,6 +17151,10 @@ link = fn (module: &Module) void
     >result = lld_elf_link(linker_arguments.pointer, linker_arguments.length, 1, 0);
     if (!result.success)
     {
+        print(result.stdout);
+        print("\n");
+        print(result.stderr);
+        print("\n");
         @trap();
     }
 }