rename blueprint to schematic

src/test/CombatSystemTest.cpp

@@ -221,7 +221,7 @@ TEST_CASE("CombatSystem: player station fires at enemy ship in range", "[combat]
         }
     }
 
-    // Find a combat ship blueprint for the enemy.
+    // Find a combat ship schematic for the enemy.
     const ShipDef* combatDef = findCombatShip(sim.config());
     REQUIRE(combatDef != nullptr);