Jenkinsfile: remove cilium-files directory from workspace
Jenkinsfile: remove cilium-files directory from workspace

We also need to remove the cilium-files directory after each build is complete to avoid buildup of cruft over time in a given workspace.

Signed-off by: Ian Vernon <ian@covalent.io>

tklauser/cilium,michi-covalent/cilium,gumpt/cilium,tgraf/cilium,tklauser/cilium,cilium-team/cilium,gumpt/cilium,eloycoto/cilium,eloycoto/cilium,eloycoto/cilium,scanf/cilium,eloycoto/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,michi-covalent/cilium,eloycoto/cilium,cilium-team/cilium,scanf/cilium,tgraf/cilium,scanf/cilium,cilium/cilium,gumpt/cilium,scanf/cilium,eloycoto/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,scanf/cilium,scanf/cilium,michi-covalent/cilium,tklauser/cilium,michi-covalent/cilium,gumpt/cilium,tgraf/cilium,gumpt/cilium,gumpt/cilium,eloycoto/cilium,scanf/cilium,cilium/cilium,tklauser/cilium,cilium/cilium,michi-covalent/cilium,gumpt/cilium