refactor(gui): remove duplicate app header title

app/gui/main_window.py

@@ -130,11 +130,6 @@ class MainWindow(QMainWindow):
         settings_tab = self._settings_tab()
         if hasattr(settings_tab, "settingsSaved"):
             settings_tab.settingsSaved.connect(self._on_settings_saved)
-        self._header_title_label = QLabel(display_name())
-        self._header_title_label.setObjectName("appHeaderTitle")
-        self._header_title_label.setStyleSheet(
-            "font-size: 15px; font-weight: 600; color: #24292f;"
-        )
         subscription_label_text = (
             "会员：正在验证"
             if SUBSCRIPTION_CHECK_ENABLED
@@ -146,10 +141,10 @@ class MainWindow(QMainWindow):
         self._subscription_label.setStyleSheet("color: #0969da;")
         header = QWidget()
         header.setObjectName("appHeader")
+        header.setAccessibleName("会员状态栏")
         header_layout = QHBoxLayout(header)
-        header_layout.setContentsMargins(18, 8, 18, 4)
-        header_layout.setSpacing(10)
-        header_layout.addWidget(self._header_title_label)
+        header_layout.setContentsMargins(18, 4, 18, 2)
+        header_layout.setSpacing(0)
         header_layout.addStretch(1)
         header_layout.addWidget(self._subscription_label)
         central = QWidget()