chore: remove unused code

packages/cli/lib/api.dart

@@ -341,14 +341,8 @@ extension WaypointUtils on Waypoint {
   /// Returns true if the waypoint is an asteroid field.
   bool get isAsteroidField => isType(WaypointType.ASTEROID_FIELD);
 
-  /// Returns true if the waypoint has the stripped trait.
-  bool get isStripped => hasTrait(WaypointTraitSymbolEnum.STRIPPED);
-
   /// Returns true if the waypoint can be mined.
-  // Unclear if isStripped is needed, hq's system has a stripped asteroid field
-  // but it can't be mined, hit a 500 on another:
-  // https://github.com/SpaceTradersAPI/api-docs/issues/51
-  bool get canBeMined => isAsteroidField; // && !isStripped;
+  bool get canBeMined => isAsteroidField;
 
   /// Returns true if the waypoint is a jump gate.
   bool get isJumpGate => isType(WaypointType.JUMP_GATE);