UI: Remove settings horizontal lines

UI/forms/OBSBasicSettings.ui

@@ -1250,13 +1250,6 @@
                </layout>
               </widget>
              </item>
-             <item>
-              <widget class="Line" name="line_2">
-               <property name="orientation">
-                <enum>Qt::Horizontal</enum>
-               </property>
-              </widget>
-             </item>
              <item>
               <widget class="QStackedWidget" name="outputModePages">
                <property name="currentIndex">
@@ -2030,13 +2023,6 @@
                        </layout>
                       </widget>
                      </item>
-                     <item>
-                      <widget class="Line" name="line_3">
-                       <property name="orientation">
-                        <enum>Qt::Horizontal</enum>
-                       </property>
-                      </widget>
-                     </item>
                      <item>
                       <widget class="QStackedWidget" name="stackedWidget">
                        <property name="currentIndex">
@@ -3497,13 +3483,6 @@
                        </property>
                       </widget>
                      </item>
-                     <item>
-                      <widget class="Line" name="line_4">
-                       <property name="orientation">
-                        <enum>Qt::Horizontal</enum>
-                       </property>
-                      </widget>
-                     </item>
                      <item>
                       <widget class="QGroupBox" name="advReplayBufferGroupBox">
                        <property name="sizePolicy">

UI/window-basic-settings.cpp

@@ -2353,7 +2353,10 @@ static QLabel *makeLabel(T &t, Func &&getName)
 template <typename Func>
 static QLabel *makeLabel(const OBSSource &source, Func &&)
 {
-	return new OBSSourceLabel(source);
+	OBSSourceLabel *label = new OBSSourceLabel(source);
+	label->setStyleSheet("font-weight: bold;");
+
+	return label;
 }
 
 template <typename Func, typename T>
@@ -2365,13 +2368,8 @@ static inline void AddHotkeys(QFormLayout &layout,
 	if (hotkeys.empty())
 		return;
 
-	auto line = new QFrame();
-	line->setFrameShape(QFrame::HLine);
-	line->setFrameShadow(QFrame::Sunken);
-
 	layout.setItem(layout.rowCount(), QFormLayout::SpanningRole,
 			new QSpacerItem(0, 10));
-	layout.addRow(line);
 
 	using tuple_type =
 		std::tuple<T, QPointer<QLabel>, QPointer<QWidget>>;
@@ -4323,7 +4321,6 @@ void OBSBasicSettings::AdvReplayBufferChanged()
 		ui->advRBEstimate->setText(QTStr(ESTIMATE_UNKNOWN_STR));
 
 	ui->advReplayBufferGroupBox->setVisible(!lossless && replayBufferEnabled);
-	ui->line_4->setVisible(!lossless && replayBufferEnabled);
 	ui->advReplayBuf->setEnabled(!lossless);
 
 	UpdateAutomaticReplayBufferCheckboxes();