[AB-xxx] enabling commands which take users to only require one parameter instead of a string and a member option

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/interaction/slash/parameter/provider/provided/UserSlashCommandParameterProvider.java

@@ -16,7 +16,7 @@ public class UserSlashCommandParameterProvider implements SlashCommandParameterP
         return SlashCommandOptionTypeMapping
                 .builder()
                 .type(User.class)
-                .optionTypes(Arrays.asList(OptionType.USER, OptionType.STRING))
+                .optionTypes(Arrays.asList(OptionType.USER))
                 .strictTypes(List.of(OptionType.USER))
                 .build();
     }