Disable Hadolint check for consecutive RUN instructions (DL3059)

This check doesn't seem to add enough value to justify the difficulties it
tends to create when generating `RUN` instructions from a template.

docker/armv6/Dockerfile.alpine

@@ -77,7 +77,6 @@ RUN touch src/main.rs
 
 # Builds again, this time it'll just be
 # your actual source files being built
-# hadolint ignore=DL3059
 RUN cargo build --features ${DB} --release --target=arm-unknown-linux-musleabi
 
 ######################## RUNTIME IMAGE  ########################
@@ -91,7 +90,6 @@ ENV ROCKET_PROFILE="release" \
     SSL_CERT_DIR=/etc/ssl/certs
 
 
-# hadolint ignore=DL3059
 RUN [ "cross-build-start" ]
 
 # Create data folder and Install needed libraries
@@ -102,7 +100,6 @@ RUN mkdir /data \
         curl \
         ca-certificates
 
-# hadolint ignore=DL3059
 RUN [ "cross-build-end" ]
 
 VOLUME /data