Update RemoveReference methods to use CommitBase

Now that IObjectBase uses CommitBase in RemoveReference, its
implementing classes need to use the base type too.

Author: rmunn

src/SIL.Harmony.Sample/Models/Definition.cs

@@ -18,7 +18,7 @@ public Guid[] GetReferences()
         return [WordId];
     }
 
-    public void RemoveReference(Guid id, Commit commit)
+    public void RemoveReference(Guid id, CommitBase commit)
     {
         if (WordId == id)
         {

src/SIL.Harmony.Sample/Models/Example.cs

@@ -31,7 +31,7 @@ public Guid[] GetReferences()
         return [DefinitionId];
     }
 
-    public void RemoveReference(Guid id, Commit commit)
+    public void RemoveReference(Guid id, CommitBase commit)
     {
         if (DefinitionId == id)
         {

src/SIL.Harmony.Sample/Models/Tag.cs

@@ -14,7 +14,7 @@ public Guid[] GetReferences()
         return [];
     }
 
-    public void RemoveReference(Guid id, Commit commit)
+    public void RemoveReference(Guid id, CommitBase commit)
     {
     }
 

src/SIL.Harmony.Sample/Models/Word.cs

@@ -23,7 +23,7 @@ IEnumerable<Guid> Refs()
         }
     }
 
-    public void RemoveReference(Guid id, Commit commit)
+    public void RemoveReference(Guid id, CommitBase commit)
     {
         if (AntonymId == id) AntonymId = null;
     }

src/SIL.Harmony.Tests/Adapter/CustomObjectAdapterTests.cs

@@ -107,7 +107,7 @@ public DateTimeOffset? DeletedAt
 
         public Guid[] GetReferences() => [];
 
-        public void RemoveReference(Guid id, Commit commit)
+        public void RemoveReference(Guid id, CommitBase commit)
         {
         }
 

src/SIL.Harmony.Tests/PersistExtraDataTests.cs

@@ -32,7 +32,7 @@ public Guid[] GetReferences()
             return [];
         }
 
-        public void RemoveReference(Guid id, Commit commit)
+        public void RemoveReference(Guid id, CommitBase commit)
         {
         }
 

src/SIL.Harmony/Resource/RemoteResource.cs

@@ -18,7 +18,7 @@ public Guid[] GetReferences()
         return [];
     }
 
-    public void RemoveReference(Guid id, Commit commit)
+    public void RemoveReference(Guid id, CommitBase commit)
     {
     }