chore: install xdpdump in relay container (#10423)

Instead of the additional dockerfile, we can simply install the xdptools
from the repository and have them available right in the relay
container.

rust/Dockerfile

@@ -23,6 +23,7 @@ COPY ./docker-init-gateway.sh ./docker-init.sh
 
 # Relay specific runtime base image
 FROM runtime_base AS runtime_firezone-relay
+RUN apk add --no-cache --update xdp-tools
 COPY ./docker-init-relay.sh ./docker-init.sh
 
 # Headless-client specific runtime base image

rust/Dockerfile.xdp-tools

@@ -1,27 +0,0 @@
-# This Dockerfile can be used to build an xdp-tools debug image we can pull on the Relays
-# to help debugging our eBPF XDP TURN server.
-#
-# An image has already been built and pushed at us-east1-docker.pkg.dev/firezone-staging/firezone/xdp-tools:latest
-# To update it:
-#  > docker buildx build -f Dockerfile.xdp-tools -t us-east1-docker.pkg.dev/firezone-staging/firezone/xdp-tools:latest --platform linux/amd64,linux/arm64 .
-#  > docker push us-east1-docker.pkg.dev/firezone-staging/firezone/xdp-tools:latest
-
-# See https://github.com/xdp-project/xdp-tools for more information.
-
-FROM alpine:latest
-
-RUN apk add --no-cache --update \
-	git \
-	clang \
-	pkgconfig \
-	autoconf \
-	make \
-	m4 \
-	libbpf-dev \
-	libpcap-dev \
-	linux-headers
-
-RUN git clone https://github.com/xdp-project/xdp-tools.git
-RUN cd xdp-tools && ./configure && make && make install
-
-ENTRYPOINT ["/bin/sh"]