CHUI-336 FIXED (Remove Description label and field from Chat history viewer)

- Removed lineeditor and text box from code and xml

indra/newview/llfloaterconversationpreview.cpp

@@ -65,8 +65,6 @@ BOOL LLFloaterConversationPreview::postBuild()
 	std::string title = getString("Title", args);
 	setTitle(title);
 
-	getChild<LLLineEditor>("description")->setValue(name);
-
 	LLLogChat::loadChatHistory(file, mMessages, true);
 	mCurrentPage = mMessages.size() / mPageSize;
 

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

@@ -14,41 +14,17 @@
      name="Title">
         CONVERSATION: [NAME]
     </floater.string>
-    <text
-     type="string"
-     length="1"
-     follows="left|top"
-     font="SansSerif"
-     height="19"
-     layout="topleft"
-     left="10"
-     name="desc txt"
-     top="22"
-     width="90">
-        Description:
-    </text>
-    <line_editor
-     border_style="line"
-     border_thickness="1"
-     enabled="false"
-     follows="left|top|right"
-     font="SansSerif"
-     height="22"
-     layout="topleft"
-     left_pad="0"
-     max_length_bytes="127"
-     name="description"
-     width="296" />
     <chat_history
      font="SansSerifSmall"
      follows="all"
      visible="true"
-     height="310"
+     height="330"
      name="chat_history"
      notify_unread_msg="false"
      parse_highlights="true"
      parse_urls="true"
      left="5"
+     top_pad="25"
      width="390">
     </chat_history>
     <text