chore: remove Foundry

Author: chris13524

.github/workflows/ci.yaml

@@ -54,9 +54,6 @@ jobs:
           profile: default
           override: true
 
-      - name: Install Foundry
-        uses: foundry-rs/foundry-toolchain@v1
-
       - uses: Swatinem/rust-cache@v2
 
       - uses: taiki-e/install-action@v1