cleanup rustls

rustls/Dockerfile

 # syntax=docker/dockerfile:1
 FROM tls-baseimage as tls-rustls
 RUN apk add cargo
-#ARG VERSION=0.20.0
 WORKDIR /build
-#RUN git clone --depth=1 --branch=v/${VERSION} https://github.com/ctz/rustls
-#ADD tlsclient/tlsclient.rs /build/rustls/rustls-mio/examples/tlsclient.rs
-#ADD tlsserver/tlsserver.rs /build/rustls/rustls-mio/examples/tlsserver.rs
-#ADD Cargo.toml /build/rustls/alpaca/Cargo.toml
-#ADD Cargo-rustls.toml /build/rustls/Cargo.toml
 ADD server /build/server
 ADD client /build/client
 ADD Cargo.toml /build/Cargo.toml
 RUN cargo build --release
-#WORKDIR /build/rustls/rustls-mio
-#RUN cargo build --release --example tlsclient --features "dangerous_configuration"
-#RUN cargo build --release --example tlsserver --features "dangerous_configuration"
-RUN ls -l /build/target
-RUN ls -l /build/
 
 RUN mv /build/target/release/server /server
 RUN mv /build/target/release/client /client
 
-
 COPY --from=tls-openssl /openssl-client /openssl-client
 WORKDIR /
 CMD ["/server"]