Fix error & fix warning

Author: ScvirelVS

Editor/Platforms/Standalone/Build/BuildMacOS.cs

@@ -16,9 +16,8 @@ public sealed class BuildMacOS : ScriptableBuildStepWithOptions
     {
 #if UNITY_EDITOR_OSX
         [SerializeField] private MacOSArchitecture m_architecture = default;
-#endif
         [SerializeField] private bool m_createXcodeProject = false;
-
+#endif
         public override BuildTarget Target => BuildTarget.StandaloneOSX;
 
         public override async Task<BuildReport> Execute()

Editor/Platforms/WebGL/BuildWebGL.cs

@@ -56,6 +56,4 @@ public override async Task<BuildReport> Execute()
             return report;
         }
     }
-
-#endif
-        }
+}