Remove strange wrong named dockerfile

docker/test/stateless/clickhouse-statelest-test-runner.Dockerfile

@@ -1,16 +0,0 @@
-# Since right now we can't set volumes to the docker during build, we split building container in stages:
-# 1. build base container
-# 2. run base conatiner with mounted volumes
-# 3. commit container as image
-FROM ubuntu:20.04 as clickhouse-test-runner-base
-
-# A volume where directory with clickhouse packages to be mounted,
-# for later installing.
-VOLUME /packages
-
-CMD apt-get update ;\
-    DEBIAN_FRONTEND=noninteractive \
-    apt install -y /packages/clickhouse-common-static_*.deb \
-        /packages/clickhouse-client_*.deb \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/* /var/cache/debconf /tmp/*