Remove vcn from Dockerfile (#3241)

Dockerfile

@@ -6,7 +6,6 @@ ENV \
     SUPERVISOR_API=http://localhost
 
 ARG BUILD_ARCH
-ARG VCN_VERSION
 WORKDIR /usr/src
 
 # Install base
@@ -19,34 +18,7 @@ RUN \
         libffi \
         libpulse \
         musl \
-        openssl \
-    && apk add --no-cache --virtual .build-dependencies \
-        build-base \
-        go \
-    \
-    && git clone -b v${VCN_VERSION} --depth 1 \
-        https://github.com/codenotary/vcn \
-    && cd vcn \
-    \
-    && if [ "${BUILD_ARCH}" = "armhf" ]; then \
-        GOARM=6 GOARCH=arm go build -o vcn -ldflags="-s -w" ./cmd/vcn; \
-    elif [ "${BUILD_ARCH}" = "armv7" ]; then \
-        GOARM=7 GOARCH=arm go build -o vcn -ldflags="-s -w" ./cmd/vcn; \
-    elif [ "${BUILD_ARCH}" = "aarch64" ]; then \
-        GOARCH=arm64 go build -o vcn -ldflags="-s -w" ./cmd/vcn; \
-    elif [ "${BUILD_ARCH}" = "i386" ]; then \
-        GOARCH=386 go build -o vcn -ldflags="-s -w" ./cmd/vcn; \
-    elif [ "${BUILD_ARCH}" = "amd64" ]; then \
-        GOARCH=amd64 go build -o vcn -ldflags="-s -w" ./cmd/vcn; \
-    else \
-        exit 1; \
-    fi \
-    \
-    && rm -rf /root/go /root/.cache \
-    && mv vcn /usr/bin/vcn \
-    \
-    && apk del .build-dependencies \
-    && rm -rf /usr/src/vcn
+        openssl
 
 # Install requirements
 COPY requirements.txt .