remove findutils (was needed for scala 3.0.0)

fixes sbt#149
see scala/scala3#11989

Author: francisdb

oracle/Dockerfile

@@ -18,10 +18,6 @@ ENV USER_ID ${USER_ID:-1001}
 ARG GROUP_ID 
 ENV GROUP_ID ${GROUP_ID:-1001}
 
-# Install findutils since find is required for scala 3
-# TODO Remove once this has been released: https://github.com/lampepfl/dotty/issues/11989
-RUN microdnf install findutils
-
 # Install sbt
 RUN \
   curl -fsL "https://github.com/sbt/sbt/releases/download/v$SBT_VERSION/sbt-$SBT_VERSION.tgz" | tar xfz - -C /usr/share && \