Replace use of XENXS_ERROR with virReportError

Update the XenXS shared code to use virReportError instead
of the XENXS_ERROR custom macro
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

cfg.mk

@@ -512,7 +512,6 @@ msg_gen_function += HYPERV_ERROR
 msg_gen_function += PHYP_ERROR
 msg_gen_function += VIR_ERROR
 msg_gen_function += VMX_ERROR
-msg_gen_function += XENXS_ERROR
 msg_gen_function += lxcError
 msg_gen_function += libxlError
 msg_gen_function += nodeReportError

src/xenxs/xenxs_private.h

@@ -57,8 +57,4 @@
 
 # define VIR_FROM_THIS VIR_FROM_NONE
 
-# define XENXS_ERROR(code, ...)                                               \
-    virReportErrorHelper(VIR_FROM_NONE, code, __FILE__, __FUNCTION__,         \
-                         __LINE__, __VA_ARGS__)
-
 #endif /* __VIR_XENXS_PRIVATE_H__ */