Kernel: Remove duplicative kgettimeofday(timeval&) function

Author: https://github.com/BenWiederhake
Commit: 05d5e3fad9
Pull-request: https://github.com/SerenityOS/serenity/pull/5323
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bgianfo

Kernel/FileSystem/TmpFS.cpp

@@ -280,8 +280,7 @@ KResultOr<NonnullRefPtr<Inode>> TmpFSInode::create_child(const String& name, mod
     if (dev != 0)
         return ENOTSUP;
 
-    struct timeval now;
-    kgettimeofday(now);
+    struct timeval now = kgettimeofday();
 
     InodeMetadata metadata;
     metadata.mode = mode;