    OPSMN-3329     Cause: Erlier when specimen type and class shown in a separate dropdown fields, at that time added a watch on specimen class to set specimen type to empty on change of class. Hence now after selecting specimen type of diffrent class it get set to empty string and unit and concentration is not found for that combination.
    OPSMN-3329
    Cause: Erlier when specimen type and class shown in a separate dropdown fields, at that time added a watch on specimen class to set specimen type to empty on change of class. Hence now after selecting specimen type of diffrent class it get set to empty string and unit and concentration is not found for that combination.

    Fix: Removed watch on specimen class, as now no need of this.

krishagni/openspecimen,krishagni/openspecimen,krishagni/openspecimen