EXT-7629 FIXED removed redundant label xml attributes

Reviewed by Mike Antipov at https://codereview.productengine.com/secondlife/r/520

--HG--
branch : product-engine

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

@@ -33,7 +33,6 @@
       name="panel_im_control_panel"
       layout="topleft"
       follows="left"
-      label="IM Control Panel"
       min_width="115" 
       auto_resize="false"
       user_resize="true" />

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

@@ -5,7 +5,6 @@
  border="false"
  height="600"
  follows="all"
- label="Outfit Edit"
  layout="topleft"
  left="0"
  min_height="350"
@@ -85,7 +84,6 @@
      bevel_style="none"
      follows="top|left|right"
      height="40"
-     label="bottom_panel"
      layout="topleft"
      left="6"
      name="header_panel"
@@ -106,7 +104,6 @@
              bevel_style="none"
              follows="top|right"
              height="38"
-             label="bottom_panel"
              layout="topleft"
              left_pad="5"
              name="outfit_name_and_status"
@@ -160,7 +157,6 @@ It is calculated as border_size + 2*UIResizeBarOverlap
         <layout_panel
          layout="topleft"
          height="187"
-         label="IM Control Panel"
          min_height="100"
          name="outfit_wearables_panel"
          width="313"
@@ -183,7 +179,6 @@ It is calculated as border_size + 2*UIResizeBarOverlap
                  bg_alpha_color="DkGray2"
                  layout="topleft"
                  height="154"
-                 label="add_button_and_combobox"
                  name="add_button_and_combobox"
                  width="311"
                  user_resize="false"
@@ -343,7 +338,6 @@ It is calculated as border_size + 2*UIResizeBarOverlap
      bevel_style="none"
      follows="bottom|left|right"
      height="27"
-     label="bottom_panel"
      layout="topleft"
      left="5"
      name="no_add_wearables_button_bar"
@@ -378,7 +372,6 @@ It is calculated as border_size + 2*UIResizeBarOverlap
      bevel_style="none"
      follows="left|right|bottom"
      height="27"
-     label="add_wearables_button_bar"
      layout="topleft"
      left="5"
      name="add_wearables_button_bar"