Remove windowslib64.zip download

All files from windowslib64.zip are already included in
probcli_win64.zip, so it's enough to download just the second ZIP.
2 jobs for develop in 2 minutes and 20 seconds (queued for 3 seconds)
Name Stage Failure
failed
build Build
	... 30 more
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/InternalErrorException
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1