Remove unused TotalRows

Former-commit-id: 0909b9c0c2bd72f8d9c967084eab7db0f87279df
Former-commit-id: b4cfbfdef322dec493c9cd80b2ed58d4f181dfa2
Former-commit-id: 2df0c1234c013988bbe3ec07757446727038d2a6

src/ImageProcessorCore/ImageProcessor.cs

@@ -21,10 +21,5 @@ namespace ImageProcessorCore.Processors
 
         /// <inheritdoc/>
         public virtual bool Compand { get; set; } = false;
-
-        /// <summary>
-        /// Gets or sets the total number of rows that will be processed by a derived class.
-        /// </summary>
-        protected int TotalRows { get; set; }
     }
 }