Move analyzerbase to debugger

This is the first mechanical step to execute on the 'shared pool of
debugger/analyzer views' idea.

Future steps would be providing infrastructure for the view pool,
making all analyzer/debugger views use the pool and then re-extract
a sensible base for a 'analyzer-and/or-debugger' tool plugin interface.

Change-Id: I1bb392e6dd3084fc56937956bee1d6fd9530335d
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

src/plugins/plugins.qbs

@@ -4,7 +4,6 @@ Project {
     name: "Plugins"
 
     references: [
-        "analyzerbase/analyzerbase.qbs",
         "android/android.qbs",
         "autotest/autotest.qbs",
         "autotoolsprojectmanager/autotoolsprojectmanager.qbs",