changed all non-owned unique_ptr access to reference to the object itself

src/potions/restore_health.cc

@@ -1,22 +0,0 @@
-#include "restore_health.h"
-
-#include <algorithm>
-
-restore_health::restore_health():
-        potion{potion_type::restore_health, -1} {}
-
-void restore_health::apply(enum race &race, int &HP, int &ATK, int &DEF,
-                           float &base_hit_rate) {
-        if (remaining_duration > 0) {
-                if (race == rdrow)
-                        HP = std::min(HP + 7, MAX_HP[race]);
-                else
-                        HP = std::min(HP + 5, MAX_HP[race]);
-
-                --remaining_duration;
-        }
-}
-
-int restore_health::get_priority() const {
-        return CALC_ADD_BASE;
-}