Fix applications get unintentionally pinned when deleting them

[clemente-xyz]

What was the problem?

This PR resolves #2154

How was it solved?

• [x] Remove pin, not toggle it when deleting an application from manage applications.

How was it tested?

• [x] iOS simulator.

https://github.com/LiskHQ/lisk-mobile/assets/9727036/48398a4f-84c8-49ef-ad86-5b36f21d9f5b