Description

Resolves #13637

Remove Language entity unique index, migration files need to be updated when the customer upgrading to 7.1

Checklist

• I fully tested it as developer / designer and created unit / integration tests

How to test it?

Run app-pro template

• Remove a language
• Add a language with the same resource name.

7.1.0-rc.3 14 March, 2023 abp-module-language-management