remove parsing colour string to brush (property) test in console tests.

TestCentre/ConsoleTests.fs

@@ -58,13 +58,6 @@
         let ``Pen width is set greater than 0`` () =
             (setPenWidth (Random().Next()) (Random().Next())) > 0.0f
 
-        [<Property>]
-        let ``Parsed colour matches expected colour`` () =
-            let expectedColour = (randomColourString ())
-            let brush = parseColour (expectedColour)
-            let convertedBrush = ((brush :?> SolidBrush).Color.Name.ToLower())
-            convertedBrush = expectedColour
-
         [<Property>]
         let ``Can build the intended default image specification`` () =
             let defaultSpec =