Removed not used usings

FastRngTests/Distributions/BetaA2B2.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/BetaA2B5.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/BetaA5B2.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/CauchyLorentzX0.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/CauchyLorentzX1.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/ChiSquareK1.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/ChiSquareK10.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/ChiSquareK4.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/ExponentialLa10.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/ExponentialLa5.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/GammaA5B15.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/InverseExponentialLa10.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/InverseExponentialLa5.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/InverseGammaA3B05.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/LaplaceB01M0.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/LaplaceB01M05.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/LogNormalS1M0.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/NormalS02M05.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/StudentTNu1.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;
 

FastRngTests/Distributions/WeibullK05La1.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
-using System.Threading.Tasks;
 using FastRng;
 using NUnit.Framework;