[gnome-system-monitor] Remove unnecessary assert which causes crash

[Chris KÃhl <chriskuehl src gnome org>]

commit dbc19ed7fa89ddd426028a45265ea49857272637
Author: Chris KÃhl <chrisk openismus com>
Date:   Sat Nov 5 00:44:38 2011 +0100

    Remove unnecessary assert which causes crash
    
    https://bugzilla.gnome.org/show_bug.cgi?id=578520

 src/load-graph.cpp |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/load-graph.cpp b/src/load-graph.cpp
index 238bebf..558986f 100644
--- a/src/load-graph.cpp
+++ b/src/load-graph.cpp
@@ -742,8 +742,6 @@ load_graph_change_speed (LoadGraph *graph,
 
     graph->speed = new_speed;
 
-    g_assert(graph->timer_index);
-
     if(graph->timer_index) {
         g_source_remove (graph->timer_index);
         graph->timer_index = g_timeout_add (graph->speed / graph->frames_per_unit,