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/Process.cpp

@@ -386,11 +386,6 @@ timeval kgettimeofday()
     return TimeManagement::now().to_timeval();
 }
 
-void kgettimeofday(timeval& tv)
-{
-    tv = kgettimeofday();
-}
-
 siginfo_t Process::wait_info()
 {
     siginfo_t siginfo {};