Kernel: Don't disable interrupts while dealing with a process crash

This was necessary in the past when crash handling would modify
various global things, but all that stuff is long gone so we can
simplify crashes by leaving the interrupt flag alone.

Kernel/Process.cpp

@@ -308,7 +308,6 @@ void create_signal_trampoline()
 
 void Process::crash(int signal, u32 eip, bool out_of_memory)
 {
-    VERIFY_INTERRUPTS_DISABLED();
     VERIFY(!is_dead());
     VERIFY(Process::current() == this);