Removed unit tests.

tests/ImageSharp.Tests/Common/NumericsTests.cs

@@ -2,7 +2,6 @@
 // Licensed under the Six Labors Split License.
 
 using System;
-using System.Numerics;
 using Xunit;
 using Xunit.Abstractions;
 
@@ -12,67 +11,10 @@ namespace SixLabors.ImageSharp.Tests.Common
     {
         private ITestOutputHelper Output { get; }
 
-        public NumericsTests(ITestOutputHelper output)
-        {
-            this.Output = output;
-        }
+        public NumericsTests(ITestOutputHelper output) => this.Output = output;
 
         public static TheoryData<int> IsOutOfRangeTestData = new() { int.MinValue, -1, 0, 1, 6, 7, 8, 91, 92, 93, int.MaxValue };
 
-        private static int Log2_ReferenceImplementation(uint value)
-        {
-            int n = 0;
-            while ((value >>= 1) != 0)
-            {
-                ++n;
-            }
-
-            return n;
-        }
-
-        [Fact]
-        public void Log2_ZeroConvention()
-        {
-            uint value = 0;
-            int expected = 0;
-            int actual = BitOperations.Log2(value);
-
-            Assert.Equal(expected, actual);
-        }
-
-        [Fact]
-        public void Log2_PowersOfTwo()
-        {
-            for (int i = 0; i < sizeof(int) * 8; i++)
-            {
-                // from 2^0 to 2^32
-                uint value = (uint)(1 << i);
-                int expected = i;
-                int actual = BitOperations.Log2(value);
-
-                Assert.Equal(expected, actual);
-            }
-        }
-
-        [Theory]
-        [InlineData(1, 100)]
-        [InlineData(2, 100)]
-        public void Log2_RandomValues(int seed, int count)
-        {
-            var rng = new Random(seed);
-            byte[] bytes = new byte[4];
-
-            for (int i = 0; i < count; i++)
-            {
-                rng.NextBytes(bytes);
-                uint value = BitConverter.ToUInt32(bytes, 0);
-                int expected = Log2_ReferenceImplementation(value);
-                int actual = BitOperations.Log2(value);
-
-                Assert.Equal(expected, actual);
-            }
-        }
-
         private static uint DivideCeil_ReferenceImplementation(uint value, uint divisor) => (uint)MathF.Ceiling((float)value / divisor);
 
         [Fact]