Some refactoring of code. and some cleanups

Source/Framework/Algorithms/DepthFirstSearch.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 using Framework.Collections;
 
 namespace Framework.Algorithms

Source/Framework/Algorithms/DijkstraShortestPath.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Text;
 using Framework.Collections;
 
 namespace Framework.Algorithms

Source/Framework/Collections/IndexMinPriorityQueue.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace Framework.Collections
 {

Source/Framework/Networking/NetworkThread.cs

@@ -16,7 +16,6 @@
  */
 
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
 
 namespace Framework.Networking

Source/Framework/Realm/RealmManager.cs

@@ -16,7 +16,6 @@
  */
 
 using Framework.Constants;
-using Framework.Cryptography;
 using Framework.Database;
 using Framework.Rest;
 using Framework.Serialization;

Source/Framework/RecastDetour/Detour/DetourNavMeshQuery.cs

@@ -36,7 +36,6 @@ using System;
 using System.Diagnostics;
 using dtPolyRef = System.UInt64;
 using dtStatus = System.UInt32;
-using System.Linq;
 
 // Define DT_VIRTUAL_QUERYFILTER if you wish to derive a custom filter from dtQueryFilter.
 // On certain platforms indirect or virtual function call is expensive. The default

Source/Framework/Util/Extensions.cs

@@ -15,13 +15,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-using Framework.IO;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Numerics;
 using System.Reflection;
-using System.Reflection.Emit;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Text.RegularExpressions;