Stop using obsolete functions

`USE_PLUGINS` and `event_handler_hook_use` are obsolete, use the proper APIs
instead.

Signed-off-by: Gergely Nagy <kaleidoscope@gergo.csillger.hu>

README.md

@@ -74,7 +74,7 @@ const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
 }
 
 void setup() {
-  USE_PLUGINS(&EEPROMKeymapProgrammer, &EEPROMKeymap, &Macros);
+  Kaleidoscope.use(&EEPROMKeymapProgrammer, &EEPROMKeymap, &Macros);
 
   Kaleidoscope.setup();
 

examples/EEPROM-Keymap-Programmer/EEPROM-Keymap-Programmer.ino

@@ -52,7 +52,7 @@ const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
 void setup() {
   Serial.begin(9600);
 
-  USE_PLUGINS(&EEPROMKeymapProgrammer, &EEPROMKeymap, &Macros);
+  Kaleidoscope.use(&EEPROMKeymapProgrammer, &EEPROMKeymap, &Macros);
 
   Kaleidoscope.setup();
 

src/Kaleidoscope/EEPROM-Keymap-Programmer.cpp

@@ -28,7 +28,7 @@ EEPROMKeymapProgrammer::EEPROMKeymapProgrammer(void) {
 }
 
 void EEPROMKeymapProgrammer::begin(void) {
-  event_handler_hook_use(eventHandlerHook);
+  Kaleidoscope.useEventHandlerHook(eventHandlerHook);
 }
 
 void EEPROMKeymapProgrammer::nextState(void) {