chore(macos): remove commented line

src/macos/macos.zig

@@ -70,7 +70,6 @@ pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
     const shell = try std.process.getEnvVarOwned(allocator, "SHELL");
 
     var child = std.process.Child.init(&[_][]const u8{ shell, "--version" }, allocator);
-    // defer child.deinit();
 
     child.stdout_behavior = .Pipe;
     child.stderr_behavior = .Pipe;