Deleted unwanted code in Player

It isn't the player's role to check whether they can move to a tile,
check it beforehands and use the move method from its Entity superclass.

dungeonbattle/entities/player.py

@@ -1,27 +1,5 @@
-from .interfaces import FightingEntity
+from ..interfaces import FightingEntity
 
 class Player(FightingEntity):
     maxhealth = 20
     strength = 5
-
-    
-    def move_up(self, p : Player, m : Map) :
-        if p.y > 0  :
-            cell = Tile(Map.tiles[p.y-1][p.x])
-            if can_walk(cell) :
-                p.y = p.y-1
-    def move_down(self, p : Player, m : Map) :
-        if p.y < Map.height  :
-            cell = Tile(Map.tiles[p.y+1][p.x])
-            if can_walk(cell) :
-                p.y = p.y+1
-    def move_left(self, p : Player, m : Map) :
-        if p.x > 0  :
-            cell = Tile(Map.tiles[p.y][p.x-1])
-            if can_walk(cell) :
-                p.x = p.x-1
-    def move_right(self, p : Player, m : Map) :
-        if p.x < Map.width  :
-            cell = Tile(Map.tiles[p.y][p.x+1])
-            if can_walk(cell) :
-                p.x = p.x+1