OvmfPkg: Remove superfluous return statements.

If the code eventually returns "Status" anyway, it does not make
sense to explicitely return "Status" in case of an error, too.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

OvmfPkg/Library/NvVarsFileLib/FsAccess.c

@@ -77,9 +77,6 @@ GetNvVarsFile (
                      ),
                    0
                    );
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
 
   return Status;
 }