[Rspamd] Slight changes to improve memory usage

[Web] Dirty hack to touch Rspamd maps a second time

data/Dockerfiles/rspamd/Dockerfile

@@ -14,7 +14,6 @@ RUN apt-get update && apt-get install -y \
   netcat \
   && apt-key adv --fetch-keys https://rspamd.com/apt-stable/gpg.key \
   && echo "deb [arch=amd64] https://rspamd.com/apt-stable/ $CODENAME main" > /etc/apt/sources.list.d/rspamd.list \
-  && echo "deb-src [arch=amd64] https://rspamd.com/apt-stable/ $CODENAME main" >> /etc/apt/sources.list.d/rspamd.list \
   && apt-get update \
   && apt-get --no-install-recommends -y install rspamd \
   && rm -rf /var/lib/apt/lists/* \