[vala/0.44] libvaladoc: Drop unused code

[Rico Tzschichholz <ricotz src gnome org>]

commit e3fd48c619a1af5dbb2bd698424413842d4d2e53
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Oct 10 18:01:22 2019 +0200

    libvaladoc: Drop unused code

 libvaladoc/api/typereference.vala | 61 ---------------------------------------
 1 file changed, 61 deletions(-)
---
diff --git a/libvaladoc/api/typereference.vala b/libvaladoc/api/typereference.vala
index 1f099d7c1..54fb17c02 100644
--- a/libvaladoc/api/typereference.vala
+++ b/libvaladoc/api/typereference.vala
@@ -44,10 +44,6 @@ public class Valadoc.Api.TypeReference : Item {
                this.parent = parent;
        }
 
-       bool is_reference_counting (Vala.TypeSymbol sym) {
-               return Vala.is_reference_counting (sym);
-       }
-
        bool type_reference_pass_ownership (Vala.DataType? element) {
                if (element == null) {
                        return false;
@@ -68,63 +64,6 @@ public class Valadoc.Api.TypeReference : Item {
                return false;
        }
 
-       bool is_type_reference_unowned (Vala.DataType? element) {
-                       if (element == null) {
-                               return false;
-                       }
-
-                       // non ref counted types are weak, not unowned
-                       if (element.data_type is Vala.TypeSymbol
-                               && is_reference_counting ((Vala.TypeSymbol) element.data_type) == true)
-                       {
-                               return false;
-                       }
-
-                       // FormalParameters are weak by default
-                       return (element.parent_node is Vala.Parameter == false)
-                               ? element.is_weak ()
-                               : false;
-       }
-
-       bool is_type_reference_owned (Vala.DataType? element) {
-               if (element == null) {
-                       return false;
-               }
-
-               weak Vala.CodeNode parent = element.parent_node;
-
-               // parameter:
-               if (parent is Vala.Parameter) {
-                       if (((Vala.Parameter)parent).direction != Vala.ParameterDirection.IN) {
-                               return false;
-                       }
-                       return ((Vala.Parameter)parent).variable_type.value_owned;
-               }
-
-               return false;
-       }
-
-       bool is_type_reference_weak (Vala.DataType? element) {
-               if (element == null) {
-                       return false;
-               }
-
-               // non ref counted types are unowned, not weak
-               if (element.data_type is Vala.TypeSymbol
-                       && is_reference_counting ((Vala.TypeSymbol) element.data_type) == false)
-               {
-                       return false;
-               }
-
-               // arrays are unowned, not weak
-               if (element is Vala.ArrayType) {
-                       return false;
-               }
-
-               // FormalParameters are weak by default
-               return (element.parent_node is Vala.Parameter == false)? element.is_weak () : false;
-       }
-
        Ownership get_type_reference_ownership (Vala.DataType? element) {
                unowned Vala.DataType? type = element;
                if (type != null) {