Replace single sw.level2 log area user with area sw

Change-Id: I3df5c5f937361a7a0283a05a7b9c6669bb404c1e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128183
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>

include/sal/log-areas.dox

@@ -534,7 +534,6 @@ certain functionality.
 @li @c sw.idle
 @li @c sw.layout - Writer core view: document layout
 @li @c sw.layout.debug - Writer layout dbg_lay output
-@li @c sw.level2
 @li @c sw.mailmerge - Writer mail merge
 @li @c sw.pageframe - debug lifecycle of SwPageFrame
 @li @c sw.rtf - .rtf export filter

sw/source/uibase/docvw/srcedtw.cxx

@@ -148,20 +148,12 @@ static void lcl_Highlight(const OUString& rSource, TextPortions& aPortionList)
                     HtmlTokenId nToken = ::GetHTMLToken(sToken);
                     if(nToken != HtmlTokenId::NONE)
                     {
-                        // Token was found
                         eFoundType = svtools::HTMLKEYWORD;
                         nPortEnd = nSrchPos;
                         nPortStart = nActPos;
                     }
                     else
-                    {
-                        // what was that?
-                        SAL_WARN(
-                            "sw.level2",
-                            "Token " << sToken
-                                << " not recognised!");
-                    }
-
+                        SAL_WARN("sw", "HTML token " << sToken << " not recognised!");
                 }
             }
             // now we still have to look for '>'