remove tryExtendedParameter

Sources/Core/Tracker/Tracker.swift

@@ -386,18 +386,6 @@ class Tracker: NSObject {
         session?.startChecker()
     }
 
-    /// - Returns: The associated value of the extended parameter if enabled and set in the tracker, an empty string if the parameter is not enabled, or nil if parameter is enabled without an aviliable value
-    func tryExtendedParameter(_ extendedParameterSet: Bool, _ value: String?) -> String? {
-        switch (extendedParameterSet, value) {
-        case (true, .some(let val)):
-            return val
-        case (true, .none):
-            return nil
-        case (false, _):
-            return ""
-        }
-    }
-
     private func decorateLinkErrorTemplate(_ extendedParameterName: String) -> String {
         "\(extendedParameterName) has been requested in CrossDeviceParameterConfiguration, but it is not set."
     }