remove knitro-rs from release workflow

.github/workflows/release.yml

@@ -5,26 +5,9 @@ on:
     tags: ["v*"]
 
 jobs:
-  release-crates-io-knitro_rs:
-    name: Release knitro-rs
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: katyo/publish-crates@v1
-        with:
-          registry-token: ${{ secrets.CRATES_IO_TOKEN }}
-          args: --features knitro_12
-          path: './knitro_rs'
-
   release-crates-io:
     name: Release feos-campd
     runs-on: ubuntu-latest
-    needs: [release-crates-io-knitro_rs]
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1