Remove the wit-deps check now that we have no dependencies.

.github/workflows/main.yml

@@ -10,10 +10,5 @@ jobs:
     name: Check ABI files are up-to-date
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: ensure `./wit/deps` are in sync
-      run: |
-        curl -Lo 'wit-deps' https://github.com/bytecodealliance/wit-deps/releases/download/v0.3.2/wit-deps-x86_64-unknown-linux-musl
-        chmod +x wit-deps
-        ./wit-deps lock --check
+    - uses: actions/checkout@v3
     - uses: WebAssembly/wit-abi-up-to-date@v14