Support creation of EPP fee objects using custom descriptions

This is a reasonable thing that custom code might want to do (Donuts already has
a use case).

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=144216929

java/google/registry/model/domain/fee/BaseFee.java

@@ -133,11 +133,6 @@ public abstract class BaseFee extends ImmutableObject {
     return validDateRange;
   }
 
-  protected void generateDescription(Object... args) {
-    checkState(type != null);
-    description = type.renderDescription(args);
-  }
-
   public boolean hasZeroCost() {
     return cost.signum() == 0;
   }