Updated the validation message.

Author: KarnaiahPesula

sormas-api/src/main/resources/validations.properties

@@ -332,4 +332,4 @@ smsAuthKeyValueValidation = SMS Auth key value is not valid
 smsAuthSecretValueValidation = SMS Auth secret value is not valid
 systemConfigurationValueValidationInvalidBackgroundColor = Pre-defined values are: green, red, indigo, gray, default (case-sensitive) otherwise must match hexadecimal format (with or without hash "#"), example: #dd2b0e or #4AA or dd2b0e
 systemConfigurationValueValidationMenuSubtitle = Can be empty or up to 16 (any) characters. Can be used to define name of the environment: PRODUCTION - TEST etc.
-customizableEnumValueAlreadyInUse = The customizable value %s is using for %s case(s) and cannot be deleted or deactivated. Please update all references to this value before trying again.
+customizableEnumValueAlreadyInUse = The customizable value %s is being used for %s case(IDs) and therefore cannot be deleted or deactivated. Please remove all references to this value before attempting to deactivate.