Revert "OvmfPkg: LoadLinuxLib: Use kernel's EFI entry point where available"

This reverts commit r14053. This change depends on changes to the
kernel which are not yet finalized/upstream.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14110 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm

@@ -68,28 +68,4 @@ JumpToKernel PROC
 
 JumpToKernel ENDP
 
-;------------------------------------------------------------------------------
-; VOID
-; EFIAPI
-; JumpToUefiKernel (
-;   EFI_HANDLE ImageHandle,        // rcx
-;   EFI_SYSTEM_TABLE *SystemTable, // rdx
-;   VOID *KernelBootParams         // r8
-;   VOID *KernelStart,             // r9
-;   );
-;------------------------------------------------------------------------------
-JumpToUefiKernel PROC
-
-    mov     rdi, rcx
-    mov     rsi, rdx
-    mov     rdx, r8
-    xor     rax, rax
-    mov     eax, [r8 + 264h]
-    add     r9, rax
-    add     r9, 200h
-    call    r9
-    ret
-
-JumpToUefiKernel ENDP
-
 END