Issue doxygen#11625 Autolinking does not work with USE_MDFILE_AS_MAINPAGE

After review.

Author: albert-github

src/index.cpp

@@ -4935,7 +4935,7 @@ static void writeIndex(OutputList &ol)
       ol.startTitleHead(QCString());
       ol.generateDoc(Doxygen::mainPage->docFile(),Doxygen::mainPage->getStartBodyLine(),
                   Doxygen::mainPage.get(),nullptr,Doxygen::mainPage->title(),false,false,
-                  QCString(),true,false,Config_getBool(MARKDOWN_SUPPORT));
+                  QCString(),true,false);
       headerWritten = TRUE;
     }
   }
@@ -4971,8 +4971,7 @@ static void writeIndex(OutputList &ol)
     ol.startTextBlock();
     ol.generateDoc(defFileName,defLine,Doxygen::mainPage.get(),nullptr,
                 Doxygen::mainPage->documentation(),true,false,
-                QCString(),false,false,
-                Config_getBool(MARKDOWN_SUPPORT));
+                QCString(),false,false);
     ol.endTextBlock();
     ol.endPageDoc();
   }

src/moduledef.cpp

@@ -896,7 +896,7 @@ void ModuleDefImpl::writeDeclarationLink(OutputList &ol,bool &found,const QCStri
       auto ast    { validatingParseDoc(
                                 *parser.get(),briefFile(),briefLine(),this,nullptr,
                                 briefDescription(),FALSE,FALSE,
-                                QCString(),TRUE,FALSE,Config_getBool(MARKDOWN_SUPPORT)) };
+                                QCString(),TRUE,FALSE) };
       if (!ast->isEmpty())
       {
         ol.startMemberDescription(anchor());