configure_graphics.ui: Cleanup scaling options and fix duplicate name warning

src/yuzu/configuration/configure_graphics.ui

@@ -335,12 +335,12 @@
             <widget class="QComboBox" name="resolution_combobox">
              <item>
               <property name="text">
-               <string>0.5X (360p/540p)[MAY BREAK]</string>
+               <string>0.5X  (360p/540p) [EXPERIMENTAL]</string>
               </property>
              </item>
              <item>
               <property name="text">
-               <string>0.75X (540p/810p)[MAY BREAK]</string>
+               <string>0.75X (540p/810p) [EXPERIMENTAL]</string>
               </property>
              </item>
              <item>
@@ -350,12 +350,12 @@
              </item>
              <item>
               <property name="text">
-               <string>2X (1440p/2160[4K]p)</string>
+               <string>2X (1440p/2160p)</string>
               </property>
              </item>
              <item>
               <property name="text">
-               <string>3X (2160p[4K]/3240p)</string>
+               <string>3X (2160p/3240p)</string>
               </property>
              </item>
              <item>
@@ -380,7 +380,7 @@
         </item>
         <item>
          <widget class="QWidget" name="scaling_filter_layout" native="true">
-          <layout class="QHBoxLayout" name="horizontalLayout_5">
+          <layout class="QHBoxLayout" name="horizontalLayout_6">
            <property name="leftMargin">
             <number>0</number>
            </property>