Remove workarounds based on asm blocks from std::hash

[ironcev]

Description

This PR removes workarounds based on asm blocks used in the std::hash module to obtain an address of a copy-type. Those workarounds are replaced with __addr_of which since #7255 supports taking addresses of copy-types.

Checklist

• I have linked to any relevant issues.
• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation where relevant (API docs, the reference, and the Sway book).
  • If my change requires substantial documentation changes, I have requested support from the DevRel team
• I have added tests that prove my fix is effective or that my feature works.
• I have added (or requested a maintainer to add) the necessary Breaking* or New Feature labels where relevant.
• I have done my best to ensure that my PR adheres to the Fuel Labs Code Review Standards.
• I have requested a review from the relevant team or maintainers.