build: completely remove 32-bit build support from project and inf files

[Chenxi Han (5656hcx)]

Description

This Pull Request fix the build pipeline that is broken by a previous unverified change in #114, by completely removing the 32bit driver support.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Hotfix (urgent fix targeted at a release/x.y branch)
• Refactor (no functional change)
• Performance improvement
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Test-only change
• CI / build-pipeline change

How has this been tested?

Built with local build on Windows 11 25H2 x64, Visual Studio 2019.
Signed with Microsoft attestation signing, from Windows 10 1607 to Windows 11 26H2

Checklist

• All required CI checks are green on the latest commit of this PR
• Build succeeds following the steps in the README / src/linux/README.md
• My code follows the Code Style Guidelines of this project
• My branch follows the naming convention: <branch-prefix>/<area>/<description>
• PR title follows the Conventional Commits format with our full-word types (feature / bugfix / hotfix / docs)
• I have performed a self-review of my own code
• I have added code comments in areas that are complex or hard to understand
• My changes generate no new compiler warnings
• I have added tests for my fix or feature (or noted why tests are not feasible)
• New and existing tests pass locally with my changes
• My branch is rebased onto the latest develop (or release/x.y for hotfix) - no merge commits
• Every commit has Signed-off-by: (DCO) - see CONTRIBUTING.md
• I have linked the relevant issue if any (Fixes #...)
• Any dependent changes have been merged and published in downstream modules