End election

### Feature: Delete Election
>Delete Election in a database.
#### Pre-requisites:
- [ ] Complete create election feature
- [ ] election table
- [ ] Election DAO( delete Election )
- [ ] Election service ( delete (int election Id) )
#### Validations:
- [ ] Form Validation
* delete ( Election election)
* election Id(>0)
- [ ] Business Validation
* check the election and delete
#### Messages:
* Invalid election Id
* election not found
#### Flow:
```mermaid
graph TD;

A[Election Service: Delete Election] --> B[Form Validation]

B -- Yes --> C[Business Validation]
B -- No --> G[Throws Exception]

C -- Yes --> D[Election DAO: Delete Election]
C -- No --> F[Election Service: Election Not Found]

D --> E[Election Service: Election Deleted]

```