schemas/fssallbodiesfound: Bring in line with current standards

* Remove un-necessary README text.
* SystemAddress is always in the Journal events, so lose the misleading
  description.

schemas/fssallbodiesfound-README.md

@@ -11,19 +11,10 @@ documentation for a schema such as this.
 The primary data source for this schema is the ED Journal event 
 `FSSAllBodiesFound`.
 
-### Key Renames
-Many of the key names have a different case defined in this schema, make 
-sure you are renaming them as appropriate.
-
-### Elisions
-None
-
 ### Augmentations
-#### horizons flag
-You SHOULD add this key/value pair, using the value from the `LoadGame` event.
-
-#### odyssey flag
-You SHOULD add this key/value pair, using the value from the `LoadGame` event.
+#### horizons and odyssey flags
+Please read [horizons and odyssey flags](../../docs/Developers.md#horizons-and-odyssey-flags)
+over in the Developers' documentation.
 
 #### StarPos
 You MUST add a `StarPos` array containing the system co-ordinates from the 

schemas/fssallbodiesfound-v1.0.json

@@ -62,8 +62,7 @@
                     "description"   : "Must be added by the sender if not present in the journal event"
                 },
                 "SystemAddress": {
-                    "type"          : "integer",
-                    "description"   : "Should be added by the sender if not present in the journal event"
+                    "type"          : "integer"
                 },
                 "Count"             : {
                     "type"          : "integer",