refactor: remove unused and obsolet stuff

include/spore/core/ClusterManager.h

@@ -20,7 +20,6 @@ public:
     void removeDeadNodes();
     void printMemberList();
     const std::map<String, NodeInfo>& getMemberList() const { return *ctx.memberList; }
-    void fetchNodeInfo(const IPAddress& ip);
     void updateLocalNodeResources();
     void heartbeatTaskCallback();
     void updateAllMembersInfoTaskCallback();

include/spore/services/MonitoringService.h

@@ -15,17 +15,12 @@ public:
         // CPU information
         float currentCpuUsage;
         float averageCpuUsage;
-        float maxCpuUsage;
-        float minCpuUsage;
         unsigned long measurementCount;
         bool isMeasuring;
         
         // Memory information
         size_t freeHeap;
         size_t totalHeap;
-        size_t minFreeHeap;
-        size_t maxAllocHeap;
-        size_t heapFragmentation;
         
         // Filesystem information
         size_t totalBytes;
@@ -45,7 +40,6 @@ private:
     void handleResourcesRequest(AsyncWebServerRequest* request);
     
     // Helper methods
-    size_t calculateHeapFragmentation() const;
     void getFilesystemInfo(size_t& totalBytes, size_t& usedBytes) const;
 
     CpuUsage& cpuUsage;