MdeModulePkg/SetupBrowser:Don't support password without interactive flag

MdeModulePkg/SetupBrowser:Don't support password without interactive flag

In current SetupBrowser, the logic related to non-interative password
is not correct. How to support it correctly or whether support it
is still under investigation. First step remove the incorrect logic.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>