HPCC-12592 DOCS:Update Samples in installing and Running

FIX HPCC-12592 DOCS:Update Sample cmds installing and Running
Update documentation sample commands removd the -u hpcc
as that is no longer necessary.

Signed-off-by: g-pan <greg.panagiotatos@lexisnexis.com>

@JamesDeFabia  please review