Removed hard-coded title from graph (drop-down is more informative)

res/layout/fragment_graph.xml

@@ -6,6 +6,5 @@
     <com.androidplot.xy.XYPlot
         android:id="@+id/rate_stat_plot"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        androidplot.title="Rate Stat Plot" />
+        android:layout_height="match_parent" />
 </LinearLayout>