Rust: Remove parser fixture workaround

The updated Rust extractor is now used by code scanning, so the temporary removal of the malformed rust-analyzer fixture is no longer needed.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 44dc1812-666e-432f-9aaf-b82876e2072f

Author: paldepind

.github/workflows/rust-analysis.yml

@@ -57,15 +57,6 @@ jobs:
         languages: ${{ matrix.language }}
         config-file: ./.github/codeql/codeql-config.yml
 
-    # TODO: Remove once Rust extractor no longer errors on this file
-    - name: Remove malformed rust-analyzer parser fixture
-      shell: bash
-      run: |
-        cargo fetch
-        find "${CARGO_HOME:-$HOME/.cargo}/registry/src" \
-          -path '*/ra_ap_parser-0.0.352/test_data/lexer/err/incomplete_frontmatter_before_unicode.rs' \
-          -delete
-
     - name: Autobuild
       uses: github/codeql-action/autobuild@main