#6040 Fix couple oversights

Button was supposed to be removed, getChild was supposed to turn into
a find since element can be not there

Author: akleshchev

indra/newview/llpanelsnapshot.cpp

@@ -198,7 +198,7 @@ void LLPanelSnapshot::updateImageQualityLevel()
         quality_lvl = LLTrans::getString("snapshot_quality_very_high");
     }
 
-    LLTextBox* quality_lvl_ctrl = getChild<LLTextBox>("image_quality_level");
+    LLTextBox* quality_lvl_ctrl = findChild<LLTextBox>("image_quality_level");
     if (quality_lvl_ctrl)
     {
         quality_lvl_ctrl->setTextArg("[QLVL]", quality_lvl);

indra/newview/skins/default/xui/en/floater_about_land.xml

@@ -247,15 +247,6 @@
              width="360">
                 TestString PleaseIgnore
             </text>
-             <button
-     follows="right"
-     height="23"
-     image_pressed="Info_Press"
-     image_unselected="Info_Over"
-     left_pad="3"
-     name="info_btn_owner"
-     top_delta="-2"
-     width="16" />
             <text
              type="string"
              length="1"