fixing AzCore for linux/windows virtual warn

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

Code/Framework/AzCore/Platform/Common/WinAPI/AzCore/Memory/OverrunDetectionAllocator_WinAPI.h

@@ -21,7 +21,7 @@ namespace AZ
         class WinAPIOverrunDetectionSchema : public OverrunDetectionSchema::PlatformAllocator
         {
         public:
-            virtual SystemInformation GetSystemInformation() override
+            SystemInformation GetSystemInformation() override
             {
                 SystemInformation result;
                 SYSTEM_INFO info;
@@ -32,7 +32,7 @@ namespace AZ
                 return result;
             }
 
-            virtual void* ReserveBytes(size_t amount) override
+            void* ReserveBytes(size_t amount) override
             {
                 void* result = VirtualAlloc(0, amount, MEM_RESERVE, PAGE_NOACCESS);
 
@@ -45,12 +45,12 @@ namespace AZ
                 return result;
             }
 
-            virtual void ReleaseReservedBytes(void* base) override
+            void ReleaseReservedBytes(void* base) override
             {
                 VirtualFree(base, 0, MEM_RELEASE);
             }
 
-            virtual void* CommitBytes(void* base, size_t amount) override
+            void* CommitBytes(void* base, size_t amount) override
             {
                 void* result = VirtualAlloc(base, amount, MEM_COMMIT, PAGE_READWRITE);
 
@@ -63,7 +63,7 @@ namespace AZ
                 return result;
             }
 
-            virtual void DecommitBytes(void* base, size_t amount) override
+            void DecommitBytes(void* base, size_t amount) override
             {
                 VirtualFree(base, amount, MEM_DECOMMIT);
             }