Revert "Update ubuntu-20.04-openjdk-11.Dockerfile"

This reverts commit efcda7b5

dockerfiles/ubuntu-20.04-openjdk-11.Dockerfile

@@ -31,7 +31,4 @@ RUN \
   export PATH="/usr/local/likwid/bin/:${PATH}" && \
   export PATH="/usr/local/likwid/sbin/:${PATH}" && \
   export LIKWID_INCLUDE="-I/usr/local/likwid/include" && \
-  export LIKWID_LIB="-L/usr/local/likwid/lib" && \
-  echo $PATH && \
-  echo $LIKWID_INCLUDE && \
-  echo $LIKWID_LIB
+  export LIKWID_LIB="-L/usr/local/likwid/lib"