Fix initialization of 'while-no-input-ignore-events'

* src/keyboard.c (syms_of_keyboard_for_pdumper): Don't reset
'while-no-input-ignore-events' after loading the dump file.
(Bug#46940)

src/keyboard.c

@@ -12389,8 +12389,6 @@ syms_of_keyboard_for_pdumper (void)
   eassert (initial_kboard == NULL);
   initial_kboard = allocate_kboard (Qt);
 
-  Vwhile_no_input_ignore_events = Qnil;
-
   inhibit_record_char = false;
 }