geometry: Fix delete reach row.

src/Model/Geometry/Reach.py

@@ -99,30 +99,18 @@ class Reach:
         self._update_profile_numbers()
 
 
-    def delete(self, list_index: list):
+    def delete(self, index: int):
         """Delete some elements in profile list
 
         Args:
-            list_index: The list of element index
+            index: The index to delete
 
         Returns:
             Nothing.
         """
-        try:
-            if list_index:
-                indices = sorted(list(set(list_index)), reverse=True)
-                for idx in indices:
-                    try:
-                        self._profiles.pop(idx)
-                        self._update_profile_numbers()
-                    except IndexError:
-                        print(f"Invalid profile index: {idx}")
-        except TypeError:
-            if isinstance(list_index, int):
-                self._profiles.pop(list_index)
-                self._update_profile_numbers()
-            else:
-                raise TypeError(f"{list_index} is instance of unexpected type '{type(list_index)}'")
+        self._profiles.pop(index)
+        self._update_profile_numbers()
+
 
     def get_x(self):
         return [profile.x() for profile in self.profiles]