remove code for kevin pr

MVMCoreUI/Atomic/Molecules/Doughnut/DoughnutChartModel.swift

@@ -35,11 +35,4 @@ import Foundation
         self.color = color
         self.label = label
     }
-    
-    private enum CodingKeys: String, CodingKey {
-        case backgroundColor
-        case label
-        case percent
-        case color
-    }
 }