Remove a useless comment [skip ci]

Author: Cédric Belin

test/report_test.cs

@@ -11,10 +11,6 @@ public sealed class ReportTest {
 	/// </summary>
 	private static string coverage = string.Empty;
 
-	/// <summary>
-	/// Method invoked before the first test is run.
-	/// </summary>
-	/// <param name="_">The test context.</param>
 	[ClassInitialize]
 	public static void ClassInitialize(TestContext _) {
 		coverage = File.ReadAllText("../res/lcov.info");