Remove unused wakeable_delay on host

esphome/core/wake.h

@@ -112,9 +112,6 @@ void wake_loop_threadsafe();
 /// Host: no ISR, just use threadsafe version.
 inline void wake_loop_any_context() { wake_loop_threadsafe(); }
 
-/// Host: select() handles the delay, this is a simple fallback.
-inline void wakeable_delay(uint32_t ms) { delay(ms); }
-
 #endif
 
 }  // namespace esphome