Removed a few old settings from settings.xml. Added absent RenderAutoHideSurfaceAreaLimit setting.

indra/newview/app_settings/settings.xml

@@ -11219,7 +11219,7 @@
       <key>Comment</key>
       <string>Maximum size of a single node's vertex data (in KB).</string>
       <key>Persist</key>
-      <integer>0</integer>
+      <integer>1</integer>
       <key>Type</key>
       <string>S32</string>
       <key>Value</key>
@@ -11600,28 +11600,19 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
-    <key>RenderUseShaderLOD</key>
-    <map>
-      <key>Comment</key>
-      <string>Whether we want to have different shaders for LOD</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
-    <key>RenderUseShaderNearParticles</key>
-    <map>
-      <key>Comment</key>
-      <string>Whether we want to use shaders on near particles</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>0</integer>
-    </map>
+
+  <key>RenderAutoHideSurfaceAreaLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum surface area of a set of proximal objects inworld before automatically hiding geometry to prevent system overload.</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
+
     <key>RenderVBOEnable</key>
     <map>
       <key>Comment</key>