Remove cargo generate-lockfile --ignore-rust-version strategy

Author: dhardy

.github/workflows/test.yml

@@ -47,7 +47,6 @@ jobs:
             # Test both windows-gnu and windows-msvc; use beta rust on one
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
-            variant: MSRV
             toolchain: 1.85.0
           - os: ubuntu-latest
             deps: sudo apt-get update ; sudo apt install gcc-multilib
@@ -60,9 +59,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v6
-      - name: Not MSRV
-        if: ${{ matrix.variant != 'MSRV' }}
-        run: cargo generate-lockfile --ignore-rust-version
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@master
         with: