graph2: Remove CharactersFilter logged property.

graph2/schema/types/Character.gql

@@ -38,9 +38,6 @@ input CharactersFilter {
 
   # Filter by text search matching against the character's description
   search: String
-
-  # Filter by whether they've been part of a log.
-  logged: Boolean
 }
 
 # Input for adding characters

models/characters/list.go

@@ -12,7 +12,6 @@ type Filter struct {
 	Names  []string `json:"names"`
 	Author *string  `json:"author"`
 	Search *string  `json:"search"`
-	Logged *bool    `json:"logged"`
 }
 
 // List lists all characters
@@ -44,10 +43,6 @@ func List(filter *Filter) ([]models.Character, error) {
 			}
 		}
 
-		if filter.Logged != nil {
-			query["logged"] = *filter.Logged
-		}
-
 		if filter.Author != nil {
 			query["author"] = *filter.Author
 		}