refactor: test types messages duplication

frontend/types/case.ts

@@ -81,10 +81,6 @@ type CasesMessages = {
   delete: string;
   newTestCase: string;
   status: string;
-  critical: string;
-  high: string;
-  medium: string;
-  low: string;
   noCasesFound: string;
   caseTitle: string;
   caseDescription: string;
@@ -102,19 +98,6 @@ type CaseMessages = {
   description: string;
   testCaseDescription: string;
   type: string;
-  other: string;
-  security: string;
-  performance: string;
-  accessibility: string;
-  functional: string;
-  acceptance: string;
-  usability: string;
-  smokeSanity: string;
-  compatibility: string;
-  destructive: string;
-  regression: string;
-  automated: string;
-  manual: string;
   template: string;
   testDetail: string;
   preconditions: string;