Removed unnecessary "else" statements.

[thesayfulla]

Description

I have removed unnecessary "else" statements.

References

Fix #182

Checklist

• [x] I have read the contribution guide
• [x] Code lint checked via inv lint
• [x] changes file included (see docs)
• [ ] Usage documentation added in case of new features
• [ ] Tests added

[coveralls]

coverage: 98.905%. remained the same when pulling 80c82f096b8df120968f12d3a89d55a92dbe11ad on thesayfulla:feature/issue-182-remove-useless-else-statements into 2148f757f5bd90a5e5a532b40787664773380e39 on nephila:develop.

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (2148f75) 97.81% compared to head (80c82f0) 97.81%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #183 +/- ## ======================================== Coverage 97.81% 97.81% ======================================== Files 8 8 Lines 548 548 Branches 99 99 ======================================== Hits 536 536 Misses 6 6 Partials 6 6 ``` | [Flag](https://app.codecov.io/gh/nephila/django-meta/pull/183/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/nephila/django-meta/pull/183/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila) | `97.62% <100.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/nephila/django-meta/pull/183?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila) | Coverage Δ | | |---|---|---| | [meta/models.py](https://app.codecov.io/gh/nephila/django-meta/pull/183?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila#diff-bWV0YS9tb2RlbHMucHk=) | `94.89% <100.00%> (ø)` | | | [meta/views.py](https://app.codecov.io/gh/nephila/django-meta/pull/183?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nephila#diff-bWV0YS92aWV3cy5weQ==) | `98.23% <100.00%> (ø)` | |

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