Update and rename pc_atomic.c to pvc_atomic.c

Also removed unused FNs

keyboard/atomic/keymaps/pc_atomic.c → keyboard/atomic/keymaps/pvc_atomic.c

@@ -55,12 +55,6 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 };
 
 const uint16_t PROGMEM fn_actions[] = {
-    [1] = ACTION_LAYER_MOMENTARY(2),  // to RAISE
-    [2] = ACTION_LAYER_MOMENTARY(3),  // to LOWER
-
-    [3] = ACTION_DEFAULT_LAYER_SET(0),
-    [4] = ACTION_DEFAULT_LAYER_SET(1),
-
 };
 
 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)