Revert "Fixes #4687: fix missing files (symlinks) in rudder-agent spec"

This reverts commit 9228431aeaf490f02f33bb93a92646c41bbd6f1a.
Fixes #4687: all symlinks to packaged files in rudder-agent
Merge pull request #286 from VinceMacBuche/bug_4687/missing_siymlinks

Bug 4687/missing siymlinks
Fixes #4690: RPM postinst fails on AIX due to use of "sed -i"
Merge pull request #287 from jooooooon/bug_4690/rpm_postinst_fails_on_aix_due_to_use_of_sed_i

Fixes #4690: RPM postinst fails on AIX due to use of "sed -i"