Fix functions with empty params (#19647)

* Fix functions with empty params

* Found a bunch more

keyboards/handwired/jscotto/scotto36/keymaps/default/keymap.c

@@ -216,7 +216,7 @@ static void render_animation(void) {
 }
 
 // Draw to OLED
-bool oled_task_user() {
+bool oled_task_user(void) {
     // Render Bongo Cat
     render_animation();
 

keyboards/handwired/jscotto/scottocmd/keymaps/default/keymap.c

@@ -349,7 +349,7 @@ static void render_animation(void) {
 }
 
 // Draw to OLED
-bool oled_task_user() {
+bool oled_task_user(void) {
     // Caps lock text
     led_t led_state = host_keyboard_led_state();
     oled_set_cursor(0,1);