Update x86.dockerfile

x86.dockerfile

@@ -4,8 +4,6 @@ FROM ghcr.io/rust-lang/rust:nightly-slim AS trunkbuild
 RUN cargo install --locked trunk && \
     rm -rf ~/.cargo/registry/{cache,src}
 
-RUN which trunk
-
 FROM ghcr.io/rust-lang/rust:nightly-slim
 
 COPY --from=msdfgen /usr/bin/msdf-atlas-gen /usr/bin/msdf-atlas-gen
@@ -49,5 +47,4 @@ RUN wget https://lab.lcr.gr/microhacks/flit/-/jobs/artifacts/trunk/raw/target/re
     chmod +x flit && \
     mv flit /usr/local/bin/flit
 
-RUN cargo install --locked trunk && \
-    rm -rf ~/.cargo/registry/{cache,src}
+COPY --from=trunkbuild /usr/local/cargo/bin/trunk /usr/local/cargo/bin/trunk