Removed old state which had bad naming

Co-authored-by: Jonathan Sharpe <[email protected]>

Author: MatildaAko

src/Components/forms/helper.js

@@ -12,7 +12,6 @@ export const initialState = {
   hearAboutCYF: '',
   hearAboutCYFFromEmployer: false,
   employer: '',
-  displayDropdown: false,
   guidePeople: ListsData.guidePeopleSkillList,
   techSkill: ListsData.techSkillList,
   otherSkill: ListsData.otherSkillList,