chore(interop-tests): remove static linking flags for dependency builds

When building the dependencies, we are not linking anything so we don't need to specify the static linking flags.

Pull-Request: #5121.

interop-tests/Dockerfile.chromium

@@ -14,7 +14,7 @@ FROM chef AS builder
 COPY --from=planner /app/recipe.json recipe.json
 # Build dependencies - this is the caching Docker layer!
 RUN cargo chef cook --release --package interop-tests --target wasm32-unknown-unknown --recipe-path recipe.json
-RUN RUSTFLAGS='-C target-feature=+crt-static' cargo chef cook --release --package interop-tests --target x86_64-unknown-linux-gnu --bin wasm_ping --recipe-path recipe.json
+RUN cargo chef cook --release --package interop-tests --bin wasm_ping --recipe-path recipe.json
 # Build application
 COPY . .
 RUN wasm-pack build --target web interop-tests

interop-tests/Dockerfile.native

@@ -9,7 +9,7 @@ RUN cargo chef prepare --recipe-path recipe.json
 FROM chef AS builder
 COPY --from=planner /app/recipe.json recipe.json
 # Build dependencies - this is the caching Docker layer!
-RUN RUSTFLAGS='-C target-feature=+crt-static' cargo chef cook --release --package interop-tests --target $(rustc -vV | grep host | awk '{print $2}') --bin native_ping --recipe-path recipe.json
+RUN cargo chef cook --release --package interop-tests --bin native_ping --recipe-path recipe.json
 # Build application
 COPY . .
 RUN RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --package interop-tests --target $(rustc -vV | grep host | awk '{print $2}') --bin native_ping