System_debug: remove submodules due to CI issues (oneapi-src#315)

Author: davidthewilson

.gitmodules

@@ -1,9 +0,0 @@
-[submodule "Tools/SystemDebug/efi_application/Win32"]
-	path = Tools/SystemDebug/efi_application/Win32
-	url = https://github.com/tianocore/edk2-BaseTools-win32.git
-[submodule "Tools/SystemDebug/efi_application/edk2"]
-	path = Tools/SystemDebug/efi_application/edk2
-	url = https://github.com/tianocore/edk2.git
-[submodule "Tools/SystemDebug/efi_application/gnu-efi-code"]
-	path = Tools/SystemDebug/efi_application/gnu-efi-code
-	url = https://git.code.sf.net/p/gnu-efi/code

Tools/SystemDebug/docs/EFIApplication.rst

@@ -99,7 +99,9 @@ Then cd to the location of the efi application.
 
 Then - clone all of the submodules
 
-``git submodule update --init``
+``git clone https://git.code.sf.net/p/gnu-efi/code  gnu-efi-code``
+``git clone https://github.com/tianocore/edk2.git``
+``git clone https://github.com/tianocore/edk2-BaseTools-win32.git Win32``
 
 Edk2 basetools
 ^^^^^^^^^^^^^^^^

Tools/SystemDebug/efi_application/README.md

@@ -42,7 +42,9 @@ Then, go to the folder `Tools/SystemDebug/efi_appication`.
 
 Then - clone all of the submodules
 
-```git submodule update --init```
+``git clone https://git.code.sf.net/p/gnu-efi/code  gnu-efi-code``
+``git clone https://github.com/tianocore/edk2.git``
+``git clone https://github.com/tianocore/edk2-BaseTools-win32.git Win32``
 
 Now - make the cmake project, making sure to specify it is a 64 bit architecture.