Further work on static side

PkmnLib.Static/GrowthRate.cs

@@ -5,13 +5,8 @@ namespace PkmnLib.Static;
 /// <summary>
 /// A growth rate defines how much experience is required per level.
 /// </summary>
-public interface IGrowthRate
+public interface IGrowthRate : INamedValue
 {
-    /// <summary>
-    /// The name of the growth rate.
-    /// </summary>
-    public StringKey Name { get; }
-
     ///<summary>
     /// Calculate the level something with this growth rate would have at a certain experience.
     /// </summary>