EXT-2764 EXT-2766 add and remove help ids to reflect reality

indra/newview/skins/default/xui/en/floater_about_land.xml

@@ -4,7 +4,6 @@
  height="420"
  layout="topleft"
  name="floaterland"
- help_topic="floaterland"
  save_rect="true"
  title="ABOUT LAND"
  width="460">

indra/newview/skins/default/xui/en/floater_preferences.xml

@@ -7,7 +7,6 @@
  height="460"
  layout="topleft"
  name="Preferences"
- help_topic="preferences"
  single_instance="true"
  title="PREFERENCES"
  width="620">

indra/newview/skins/default/xui/en/floater_water.xml

@@ -4,7 +4,6 @@
  height="240"
  layout="topleft"
  name="Water Floater"
- help_topic="water_floater"
  save_rect="true"
  title="ADVANCED WATER EDITOR"
  width="700">

indra/newview/skins/default/xui/en/panel_region_covenant.xml

@@ -3,6 +3,7 @@
  border="true"
  follows="top|left"
  height="320"
+ help_topic="panel_region_covenant_tab"
  label="Covenant"
  layout="topleft"
  left="0"

indra/newview/skins/default/xui/en/panel_region_debug.xml

@@ -3,6 +3,7 @@
  border="true"
  follows="top|left"
  height="320"
+ help_topic="panel_region_debug_tab"
  label="Debug"
  layout="topleft"
  left="0"

indra/newview/skins/default/xui/en/panel_region_estate.xml

@@ -3,6 +3,7 @@
  border="false"
  follows="top|left"
  height="320"
+ help_topic="panel_region_estate_tab"
  label="Estate"
  layout="topleft"
  left="0"

indra/newview/skins/default/xui/en/panel_region_general.xml

@@ -3,6 +3,7 @@
  border="true"
  follows="top|left"
  height="320"
+ help_topic="panel_region_general_tab"
  label="Region"
  layout="topleft"
  left="0"

indra/newview/skins/default/xui/en/panel_region_terrain.xml

@@ -3,6 +3,7 @@
  border="true"
  follows="top|left"
  height="320"
+ help_topic="panel_region_terrain_tab"
  label="Terrain"
  layout="topleft"
  left="0"

indra/newview/skins/default/xui/en/panel_region_texture.xml

@@ -3,6 +3,7 @@
  border="true"
  follows="top|left"
  height="320"
+ help_topic="panel_region_texture_tab"
  label="Ground Textures"
  layout="topleft"
  left="0"