Make return expression more compact

Author: kzu

src/EmbeddedResource.cs

@@ -40,12 +40,8 @@ public static Stream GetStream(string relativePath)
         if (string.IsNullOrEmpty(manifestResourceName))
             throw new InvalidOperationException($"Did not find required resource ending in '{resourceName}' in assembly '{baseName}'.");
 
-        var stream = Assembly.GetExecutingAssembly()
-            .GetManifestResourceStream(manifestResourceName);
-
-        if (stream == null)
+        return 
+            Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName) ??
             throw new InvalidOperationException($"Did not find required resource '{manifestResourceName}' in assembly '{baseName}'.");
-
-        return stream;
     }
 }

src/ThisAssembly.Constants/ConstantsGenerator.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;