Remove unused diesel_cli from Docker env image

Dockerfile.dev

@@ -20,7 +20,6 @@ RUN chmod a+x ./wasm-deps.sh && sleep 1 && ./wasm-deps.sh
 WORKDIR /app
 COPY Cargo.toml Cargo.lock rust-toolchain ./
 RUN rustup component add rustfmt clippy
-RUN cargo install diesel_cli --no-default-features --features postgres --version '=1.3.0'
 RUN cargo install wasm-pack
 
 COPY . .