HBASE-22421 addendum remove bats

Signed-off-by: Peter Somogyi <psomogyi@apache.org>

Author: busbey

dev-support/docker/Dockerfile

@@ -126,12 +126,6 @@ RUN echo "remote-repo-cache: /root/.cabal/packages" >> /root/.cabal/config
 RUN cabal update
 RUN cabal install shellcheck --global
 
-####
-# Install bats
-####
-RUN add-apt-repository -y ppa:duggan/bats
-RUN apt-key update && apt-get -q update && apt-get -q install --no-install-recommends -y bats
-
 ####
 # Install pylint
 ####