remove unused building HP

src/lib/sim/Building.h

@@ -75,8 +75,6 @@ struct Building
     QSize        footprint;
     Rotation     rotation      = Rotation::East;
     BuildingType type          = BuildingType::Miner;
-    float        hp            = 0.0f;
-    float        maxHp         = 0.0f;
     std::string  recipeId;                      // empty = none selected
 
     InputBuffer  inputBuffer;

src/lib/sim/BuildingSystem.cpp

@@ -445,8 +445,6 @@ void BuildingSystem::tickConstruction(Tick currentTick)
     building.footprint = front.footprint;
     building.rotation  = front.rotation;
     building.type      = front.type;
-    building.hp        = 100.0f;
-    building.maxHp     = 100.0f;
     building.recipeId  = front.recipeId;
     building.shipLayout = front.shipLayout;
 
@@ -1049,8 +1047,7 @@ bool BuildingSystem::deliverScrapToSalvageBay(EntityId bayId)
 
 EntityId BuildingSystem::placeImmediate(BuildingType type,
                                          const std::vector<std::string>& surfaceMask,
-                                         QPoint anchor, Rotation rotation,
-                                         float hp, float maxHp)
+                                         QPoint anchor, Rotation rotation)
 {
     const EntityId id = m_allocateId();
     const ParsedSurfaceMask mask = parseSurfaceMask(surfaceMask, rotation);
@@ -1061,8 +1058,6 @@ EntityId BuildingSystem::placeImmediate(BuildingType type,
     building.footprint = mask.footprint;
     building.rotation  = rotation;
     building.type      = type;
-    building.hp        = hp;
-    building.maxHp     = maxHp;
 
     for (const QPoint& cell : mask.bodyCells)
     {

src/lib/sim/BuildingSystem.h

@@ -109,8 +109,7 @@ public:
     // surfaceMask comes from the relevant config struct.
     EntityId placeImmediate(BuildingType type,
                             const std::vector<std::string>& surfaceMask,
-                            QPoint anchor, Rotation rotation,
-                            float hp, float maxHp);
+                            QPoint anchor, Rotation rotation);
 
     // Remove an operational building by id without refund (used for deaths).
     // Returns true if found and removed.

src/lib/sim/Simulation.cpp

@@ -208,7 +208,7 @@ void Simulation::placeInitialStructures()
         BuildingType::Hq,
         m_config.stations.hq.surfaceMask,
         QPoint(hqAnchorX, hqAnchorY),
-        Rotation::East, hqHp, hqHp);
+        Rotation::East);
 
     const QVector2D hqCenter(
         hqAnchorX + hqParsed.footprint.width() / 2.0f,