chore: remove cron jobs and survey scheduling functionality (#6505)

Co-authored-by: Dhruwang <dhruwangjariwala18@gmail.com>

docs/api-v2-reference/openapi.yml

@@ -3982,7 +3982,6 @@ components:
           type: string
           enum:
             - draft
-            - scheduled
             - inProgress
             - paused
             - completed
@@ -4193,16 +4192,6 @@ components:
         delay:
           type: number
           description: Delay before showing survey
-        runOnDate:
-          type:
-            - string
-            - "null"
-          description: Date to run the survey
-        closeOnDate:
-          type:
-            - string
-            - "null"
-          description: Date to close the survey
         surveyClosedMessage:
           type:
             - object
@@ -4514,8 +4503,6 @@ components:
         - autoClose
         - autoComplete
         - delay
-        - runOnDate
-        - closeOnDate
         - surveyClosedMessage
         - segmentId
         - projectOverwrites