chore(ci): drop unused lllc and solc fetch steps from release workflow

Author: spencer-tb

.github/workflows/release_fixtures.yaml

@@ -75,26 +75,6 @@ jobs:
           submodules: true
           ref: ${{ inputs.branch }}
 
-      - name: Fetch lllc
-        uses: ./.github/actions/fetch-binary
-        with:
-          version: v1.0.0
-          repo_owner: felix314159
-          repo_name: lllc-custom
-          remote_name: lllc
-          binary_name: lllc
-          expected_sha256: 865a0d5379acb3b5471337b5dcf686a2dd71587c6b65b9da6c963de627e0b300
-
-      - name: Fetch Solidity
-        uses: ./.github/actions/fetch-binary
-        with:
-          version: v0.8.24
-          repo_owner: ethereum
-          repo_name: solidity
-          remote_name: solc-static-linux
-          binary_name: solc
-          expected_sha256: fb03a29a517452b9f12bcf459ef37d0a543765bb3bbc911e70a87d6a37c30d5f
-
       - uses: ./.github/actions/build-fixtures
         with:
           release_name: ${{ matrix.feature }}