Apply suggestions from code review

Co-authored-by: Claus Vium <cvium@users.noreply.github.com>

Emby.Server.Implementations/ApplicationHost.cs

@@ -967,15 +967,13 @@ namespace Emby.Server.Implementations
                 {
                     return true;
                 }
-                else
+                
-                {
                 throw new FileNotFoundException(
                     string.Format(
                         CultureInfo.InvariantCulture,
                         "Certificate file '{0}' does not exist.",
                         newPath));
             }
-            }
 
             return false;
         }