Revert "osdep: add getloadavg"

This reverts commit dc864d3.

This functionality is not required after the previous revert

Signed-off-by: "Daniel P. Berrangé" <berrange@redhat.com>
Message-ID: <20240104162942.211458-3-berrange@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

include/qemu/osdep.h

@@ -781,16 +781,6 @@ static inline int platform_does_not_support_system(const char *command)
 }
 #endif /* !HAVE_SYSTEM_FUNCTION */
 
-/**
- * If the load average was unobtainable, -1 is returned
- */
-#ifndef HAVE_GETLOADAVG_FUNCTION
-static inline int getloadavg(double loadavg[], int nelem)
-{
-    return -1;
-}
-#endif /* !HAVE_GETLOADAVG_FUNCTION */
-
 #ifdef __cplusplus
 }
 #endif

meson.build

@@ -2341,7 +2341,6 @@ config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
-config_host_data.set('HAVE_GETLOADAVG_FUNCTION', cc.has_function('getloadavg', prefix: '#include <stdlib.h>'))
 if rbd.found()
   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
                        cc.has_function('rbd_namespace_exists',