fix usings and formatting

Author: apmoskevitz

UnitsNet.Tests/CustomCode/LengthTests.FeetInches.cs

@@ -1,11 +1,7 @@
 // Licensed under MIT No Attribution, see LICENSE file at the root.
 // Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
 
-using System.Collections.Generic;
 using System.Globalization;
-using System.Text;
-using Microsoft.VisualStudio.TestPlatform.Common.Utilities;
-using Xunit;
 
 namespace UnitsNet.Tests
 {

UnitsNet.Tests/CustomCode/LengthTests.cs

@@ -1,10 +1,7 @@
 // Licensed under MIT No Attribution, see LICENSE file at the root.
 // Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
 
-using System;
 using System.Globalization;
-using UnitsNet.Units;
-using Xunit;
 
 namespace UnitsNet.Tests
 {
@@ -240,9 +237,6 @@ public static void InverseReturnsReciprocalLength(double value, double expected)
             Assert.Equal(expected, inverseLength.InverseMeters);
         }
 
-
-
-
         [Theory]
         [InlineData(3, 2.563, 16, "3' - 2 9/16\"")]
         [InlineData(3, 2.563, 32, "3' - 2 9/16\"")]

UnitsNet/CustomCode/Quantities/Length.extra.cs

@@ -1,11 +1,9 @@
 // Licensed under MIT No Attribution, see LICENSE file at the root.
 // Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
 
-using System;
 using System.Globalization;
 using System.Text.RegularExpressions;
 using System.Threading;
-using UnitsNet.Units;
 
 namespace UnitsNet
 {