Remove unused pragma

Author: bagusnl

DownloadClient.cs

@@ -127,10 +127,8 @@ public static DownloadClient CreateInstance(HttpClient httpClient, int retryCoun
         ///     <paramref name="url" /> or <paramref name="fileOutputPath" /> is empty or only have
         ///     whitespaces.
         /// </exception>
-#pragma warning disable CA1822 // Mark members as static
         public async Task DownloadAsync(
-#pragma warning restore CA1822 // Mark members as static
-            string                    url,
+            string url,
             string                    fileOutputPath,
             bool                      useOverwrite          = false,
             long?                     offsetStart           = null,