ShellPkg SmbiosView: Eliminate trailing " | " in PrintBitsInfo()

ShellPkg SmbiosView: Eliminate trailing " | " in PrintBitsInfo()

Current PrintBitsInfo() will always print an additional trailing
" | " for the bit flags, for example,

Base Board Feature Flags: Hosting board |  Replaceable |

Th patch is to eliminate trailing " | " in PrintBitsInfo(), then
the output will be like below

Base Board Feature Flags: Hosting board |  Replaceable

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Jaben Carsey <jaben.carsey@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>