Remove unnecessary blank lines in resource template

[enderahmetyurt]

Description

Auto generated resources have whitespaces. Rubocop doesn't allow them. It raises errors.

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

Screenshots & recording

Manual review steps

1. Use standart Rails rubocop rules.
2. Create a new model
3. run bin/rubocop -f github

[codeclimate]

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[Paul-Bob]

LGTM!

Thank you @enderahmetyurt for this contribution!