fix(types): implement __eq__ for Removable (#1290)

Co-authored-by: danceratopz <[email protected]>

Author: SamWilsn

src/ethereum_test_types/types.py

@@ -75,7 +75,11 @@ class Removable:
     (`None` normally means "do not modify").
     """
 
-    pass
+    def __eq__(self, other: Any) -> bool:
+        """Return True for all Removable."""
+        if not isinstance(other, Removable):
+            return NotImplemented
+        return True
 
 
 class EOA(Address):