Do not add an "Analyzer" category to the "Issues" pane filter.

The analyzers don't add tasks to that window; they have their own
specialized ones.

Change-Id: I182b7f44c5297f5e7e33cfc82475fe74fbe1ebc5
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/analyzerbase/analyzerplugin.cpp

@@ -65,10 +65,6 @@ bool AnalyzerPlugin::initialize(const QStringList &arguments, QString *errorStri
 
     (void) new AnalyzerManager(this);
 
-    // Task integration.
-    //: Category under which Analyzer tasks are listed in Issues view
-    ProjectExplorer::TaskHub::addCategory(Constants::ANALYZERTASK_ID, tr("Analyzer"));
-
     return true;
 }