fixed typos in delete_slot, delete_enum, and delete_subset (slotes -> slots, enumes -> enums, subsetes -> subsets)

Author: Puja Trivedi

linkml_runtime/utils/schemaview.py

@@ -1652,15 +1652,15 @@ def delete_slot(self, slot_name: SlotDefinitionName) -> None:
         :param slot_name: slot to be deleted
         :return:
         """
-        del self.schema.slotes[slot_name]
+        del self.schema.slots[slot_name]
         self.set_modified()
 
     def delete_enum(self, enum_name: EnumDefinitionName) -> None:
         """
         :param enum_name: enum to be deleted
         :return:
         """
-        del self.schema.enumes[enum_name]
+        del self.schema.enums[enum_name]
         self.set_modified()
 
     def delete_type(self, type_name: TypeDefinitionName) -> None:
@@ -1676,7 +1676,7 @@ def delete_subset(self, subset_name: SubsetDefinitionName) -> None:
         :param subset_name: subset to be deleted
         :return:
         """
-        del self.schema.subsetes[subset_name]
+        del self.schema.subsets[subset_name]
         self.set_modified()
 
     # def rename(self, old_name: str, new_name: str):