Update RHCOS to OCP version map (#2537)

Co-authored-by: sebrandon1 <[email protected]>

tests/platform/operatingsystem/files/rhcos_version_map

@@ -421,16 +421,13 @@
 4.16.8 / 416.94.202408132101-0
 4.16.9 / 416.94.202408200132-0
 4.17.0 / 417.94.202409121747-0
-4.17.0-ec.0 / 417.94.202405311348-0
 4.17.0-ec.1 / 417.94.202406050030-0
 4.17.0-ec.2 / 417.94.202407131620-0
 4.17.0-ec.3 / 417.94.202408051945-0
 4.17.0-rc.0 / 417.94.202408170011-0
 4.17.0-rc.1 / 417.94.202408270355-0
 4.17.0-rc.2 / 417.94.202409032126-0
-4.17.0-rc.3 / 417.94.202409120353-0
 4.17.0-rc.5 / 417.94.202409120353-0
-4.17.0-rc.6 / 417.94.202409121747-0
 4.17.1 / 417.94.202410090854-0
 4.17.2 / 417.94.202410160352-0
 4.4.0 / 44.81.202004260825-0