Updated tri-layer block in keymap file. (#2827)

* Updated info and fixed minor errors

* Updated folder name; overdue updates to keymap and readme files

Updated folder name; overdue updates to keymap and readme files

* Updated tri-layer feature

* Revert "Updated tri-layer feature"

This reverts commit 59b8b85761740e24f671e10fceea869f06a33ade.

* Updated tri-layer on keymap

* Fixed typos

keyboards/kinesis/keymaps/insertsnideremarks/keymap.c

@@ -571,6 +571,10 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 };
 
+uint32_t layer_state_set_user(uint32_t state) {
+  return update_tri_layer_state(state, _NUMBERS, _NUMBERS2, _ADJUST);
+}
+
 void persistent_default_layer_set(uint16_t default_layer) {
   eeconfig_update_default_layer(default_layer);
   default_layer_set(default_layer);
@@ -658,24 +662,6 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
       }
       return false;
       break;
-    case ENTNS:
-      if (record->event.pressed) {
-        layer_on(_NUMBERS);
-        update_tri_layer(_NUMBERS, _NUMBERS2, _ADJUST);
-      } else {
-        layer_off(_NUMBERS);
-        update_tri_layer(_NUMBERS, _NUMBERS2, _ADJUST);
-      }
-      break;
-    case DELNS:
-      if (record->event.pressed) {
-        layer_on(_NUMBERS2);
-        update_tri_layer(_NUMBERS, _NUMBERS2, _ADJUST);
-      } else {
-        layer_off(_NUMBERS2);
-        update_tri_layer(_NUMBERS, _NUMBERS2, _ADJUST);
-      }
-      break;
   }
   return true;
 }