Removed the unused eos_wfe_scripts directory

...ocker/ctafrontend/cc7/buildtree-stage3-scripts/Dockerfile

...usintegration/docker/ctafrontend/cc7/ci_runner/Dockerfile

...tafrontend/cc7/doublebuildtree-stage2b-scripts/Dockerfile

eos_wfe_scripts/Makefile

eos_wfe_scripts/README

eos_wfe_scripts/create_tape_drop_disk_replicas

eos_wfe_scripts/cta_eos_wfe_scripts.spec

eos_wfe_scripts/current-workflows-on-EOSCTATAPE

eos_wfe_scripts/delete_archive_file

eos_wfe_scripts/retrieve_archive_file