Remove line number [skip ci]

Former-commit-id: c223456744511729aa1ff3d62dada2d26da89068
Former-commit-id: 8dc9e9e427a3e1d6c62fa1e1bba765ec294e86ba
Former-commit-id: ee08889af7f086f0aeab2a1eb9873ba480075d68

src/ImageProcessorCore/IImageBase.cs

@@ -68,7 +68,7 @@ namespace ImageProcessorCore
         /// than zero and smaller than the width of the pixel.
         /// </param>
         /// <returns>The <see cref="Color"/> at the specified position.</returns>
-        Color this[int x, int y, [CallerLineNumber] int line = 0] { get; set; }
+        Color this[int x, int y] { get; set; }
 
         /// <summary>
         /// Sets the pixel array of the image to the given value.

src/ImageProcessorCore/ImageBase.cs

@@ -135,7 +135,7 @@ namespace ImageProcessorCore
         public int FrameDelay { get; set; }
 
         /// <inheritdoc/>
-        public Color this[int x, int y, [CallerLineNumber] int line = 0]
+        public Color this[int x, int y]
         {
             get
             {