Revert "ShellPkg : Add UEFI_APPLICATION module type to UefiShellInstall1CommandsLib...

Revert "ShellPkg : Add UEFI_APPLICATION module type to UefiShellInstall1CommandsLib.inf"

SVN r19585 broke the OVMF build:

> ShellPkg/Library/UefiShellInstall1CommandsLib/UefiShellInstall1CommandsLib.inf(20):
> error 3001: MODULE_TYPE UEFI_DRIVER UEFI_APPLICATION is not supported
> for EDK II, valid values are:
>  BASE SEC PEI_CORE PEIM DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER
>  DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_DRIVER UEFI_APPLICATION USER_DEFINED
>  SMM_CORE

Revert the patch.

Reported-by: Laszlo Ersek <lersek@redhat.com>
Suggested-by: "El-Haj-Mahmoud, Samer" <samer.el-haj-mahmoud@hpe.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19610 6f19259b-4bc3-4df7-8a09-765794883524