Removes Float80.

Author: kzaher

Sources/DataSources/FloatingPointType+IdentifiableType.swift

@@ -23,13 +23,3 @@ extension Float : IdentifiableType {
 extension Double : IdentifiableType {
 
 }
-
-#if swift(>=3.0)
-extension Float80 : IdentifiableType {
-    typealias identity = Float80
-
-    public var identity: Float80 {
-        return self
-    }
-}
-#endif