Updated the normal effect variant documentation text

to not refer to the removed classes

src/general/world_effects/CompoundDiffusionEffect.cs

@@ -4,8 +4,9 @@
 using Newtonsoft.Json;
 
 /// <summary>
-///   An effect diffusing specially marked compounds between patches (and also takes ocean depth into account) in
-///   contrast to <see cref="AllCompoundDiffusionEffect"/>
+///   An effect diffusing specially marked compounds between patches (and also takes ocean depth into account). This
+///   operates on specific compounds as it causes a bit of a mess and unintended effects if all compounds are always
+///   allowed to move.
 /// </summary>
 [JSONDynamicTypeAllowed]
 public class CompoundDiffusionEffect : IWorldEffect

src/general/world_effects/PhotosynthesisProductionEffect.cs

@@ -4,7 +4,7 @@
 
 /// <summary>
 ///   Creates oxygen based on photosynthesizers (and removes carbon). And does the vice versa for oxygen consumption
-///   to balance things out. This is kind of a simplified version of <see cref="CompoundProductionEffect"/>
+///   to balance things out.
 /// </summary>
 [JSONDynamicTypeAllowed]
 public class PhotosynthesisProductionEffect : IWorldEffect