fix: Forge::dropColumn() seems to always return false.

[ping-yee]

Description Fixes #8849 I think return sql execute result directly is a simplest way to fix this issue.

Checklist:

• [x] Securely signed commits
• [] Component(s) with PHPDoc blocks, only if necessary or adds value
• [ ] Unit testing, with >80% coverage
• [ ] User guide updated
• [x] Conforms to style guide