Revert "try to improve the thumb keys"

This reverts commit c7f035fbfe.

too many false positiver of holds

common/config.h

@@ -46,9 +46,6 @@
 // use permissive hold together with achordion
 #define PERMISSIVE_HOLD
 
-// special handle thumb keys
-#define HOLD_ON_OTHER_KEY_PRESS_PER_KEY
-
 // delay hold/release to not mess up software
 #define TAP_CODE_DELAY 10
 

common/keymap.h

@@ -71,20 +71,6 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 };
 
-bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record) {
-    switch (keycode) {
-        case LT(_SYM, KC_SCLN):
-        case LT(_NUM, KC_SPC):
-        case LT(_NAV, KC_E):
-        case LT(_FN, KC_MINS):
-            // Immediately select the hold action when another key is pressed.
-            return true;
-        default:
-            // Do not select the hold action when another key is pressed.
-            return false;
-    }
-}
-
 #include "achordion.h"
 
 bool process_record_user(uint16_t keycode, keyrecord_t* record) {