Remove unused private variables in godot/editor

editor/debugger/debug_adapter/debug_adapter_server.h

@@ -39,7 +39,6 @@ class DebugAdapterServer : public EditorPlugin {
 	DebugAdapterProtocol protocol;
 
 	int remote_port = 6006;
-	bool thread_running = false;
 	bool started = false;
 	bool polling = false;
 	static void thread_func(void *p_userdata);

editor/debugger/editor_expression_evaluator.h

@@ -36,15 +36,12 @@ class Button;
 class CheckBox;
 class EditorDebuggerInspector;
 class LineEdit;
-class RemoteDebuggerPeer;
 class ScriptEditorDebugger;
 
 class EditorExpressionEvaluator : public VBoxContainer {
 	GDCLASS(EditorExpressionEvaluator, VBoxContainer)
 
 private:
-	Ref<RemoteDebuggerPeer> peer;
-
 	LineEdit *expression_input = nullptr;
 	CheckBox *clear_on_run_checkbox = nullptr;
 	Button *evaluate_btn = nullptr;

editor/debugger/editor_profiler.h

@@ -124,8 +124,6 @@ private:
 	int total_metrics = 0;
 	int last_metric = -1;
 
-	int max_functions = 0;
-
 	bool updating_frame = false;
 
 	int hover_metric = -1;