EmulatorPkg/DSC: Remove FS mapping to EDK Shell bin directory

The EDK Shell is end of line so the FS mapping to old EDK
Shell bin directory is better to be removed.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Cc: Andrew Fish <afish@apple.com>
diff --git a/EmulatorPkg/EmulatorPkg.dsc b/EmulatorPkg/EmulatorPkg.dsc
index 67812f7..9f9f7d3 100644
--- a/EmulatorPkg/EmulatorPkg.dsc
+++ b/EmulatorPkg/EmulatorPkg.dsc
@@ -223,7 +223,7 @@
   # For a CD-ROM/DVD use L"diag.dmg:RO:2048"

   gEmulatorPkgTokenSpaceGuid.PcdEmuVirtualDisk|L"disk.dmg:FW"

   gEmulatorPkgTokenSpaceGuid.PcdEmuGop|L"GOP Window"

-  gEmulatorPkgTokenSpaceGuid.PcdEmuFileSystem|L".!../../../../EdkShellBinPkg/Bin"

+  gEmulatorPkgTokenSpaceGuid.PcdEmuFileSystem|L"."

   gEmulatorPkgTokenSpaceGuid.PcdEmuSerialPort|L"/dev/ttyS0"

   gEmulatorPkgTokenSpaceGuid.PcdEmuNetworkInterface|L"en0"