Merge changes I7596efae,I3633a59d

* changes:
  Remove unused property Fiber.fiber_loss
  Remove unused property

gnpy/core/elements.py

@@ -52,10 +52,6 @@ class _Node:
         if type_variety:
             self.type_variety = type_variety
 
-    @property
-    def coords(self):
-        return self.lng, self.lat
-
     @property
     def location(self):
         return self.metadata['location']
@@ -352,11 +348,6 @@ class Fiber(_Node):
                           f'  (conn loss out includes EOL margin defined in eqpt_config.json)',
                           f'  pch out (dBm): {self.pch_out_db!r}'])
 
-    @property
-    def fiber_loss(self):
-        """Fiber loss in dB, not including padding attenuator"""
-        return self.params.loss_coef * self.params.length + self.params.con_in + self.params.con_out
-
     @property
     def loss(self):
         """total loss including padding att_in: useful for polymorphism with roadm loss"""