[gnome-builder] build: remove some unused variables

[Christian Hergert <chergert src gnome org>]

commit cc91df00bf39eb16e16a7f8afe4849381c7fc246
Author: Christian Hergert <chergert redhat com>
Date:   Mon Nov 23 14:34:15 2020 -0800

    build: remove some unused variables

 src/plugins/autotools/ide-makecache.c        | 1 -
 src/plugins/buildui/gbp-buildui-tree-addin.c | 1 -
 src/plugins/code-index/gbp-code-index-plan.c | 2 --
 3 files changed, 4 deletions(-)
---
diff --git a/src/plugins/autotools/ide-makecache.c b/src/plugins/autotools/ide-makecache.c
index 101d7f424..08ee497b0 100644
--- a/src/plugins/autotools/ide-makecache.c
+++ b/src/plugins/autotools/ide-makecache.c
@@ -1472,7 +1472,6 @@ ide_makecache_get_build_targets_worker (GTask        *task,
                                         GCancellable *cancellable)
 {
   IdeMakecache *self = source_object;
-  g_autoptr(IdeSubprocessLauncher) launcher = NULL;
   g_autoptr(GPtrArray) makedirs = NULL;
   g_autoptr(GPtrArray) targets = NULL;
   g_autoptr(GError) error = NULL;
diff --git a/src/plugins/buildui/gbp-buildui-tree-addin.c b/src/plugins/buildui/gbp-buildui-tree-addin.c
index bbb7462ee..0e13e68cf 100644
--- a/src/plugins/buildui/gbp-buildui-tree-addin.c
+++ b/src/plugins/buildui/gbp-buildui-tree-addin.c
@@ -263,7 +263,6 @@ gbp_buildui_tree_addin_action_run (GSimpleAction *action,
                                    gpointer       user_data)
 {
   GbpBuilduiTreeAddin *self = user_data;
-  g_autoptr(GPtrArray) targets = NULL;
   IdeBuildManager *build_manager;
   IdeBuildTarget *target;
   IdeRunManager *run_manager;
diff --git a/src/plugins/code-index/gbp-code-index-plan.c b/src/plugins/code-index/gbp-code-index-plan.c
index febbc9346..da2ea9fab 100644
--- a/src/plugins/code-index/gbp-code-index-plan.c
+++ b/src/plugins/code-index/gbp-code-index-plan.c
@@ -180,7 +180,6 @@ gbp_code_index_plan_cull_indexed_worker (IdeTask      *task,
   while (g_hash_table_iter_next (&iter, &key, &value))
     {
       g_autofree gchar *relative = NULL;
-      g_autoptr(IdeCodeIndexIndex) index = NULL;
       g_autoptr(GFile) indexdir = NULL;
       g_autoptr(GFile) symbol_keys = NULL;
       g_autoptr(GFile) symbol_names = NULL;
@@ -292,7 +291,6 @@ gbp_code_index_plan_cull_indexed_async (GbpCodeIndexPlan    *self,
                                         gpointer             user_data)
 {
   g_autoptr(IdeTask) task = NULL;
-  g_autoptr(GFile) basedir = NULL;
   CullIndexed *state;
 
   IDE_ENTRY;