debugger: remove old disassembler view and handler

It is replaced by a real editor in e82d6c7b0.

src/plugins/debugger/script/scriptengine.cpp

@@ -33,7 +33,6 @@
 #include "breakhandler.h"
 #include "debuggerconstants.h"
 #include "debuggermanager.h"
-#include "disassemblerhandler.h"
 #include "moduleshandler.h"
 #include "registerhandler.h"
 #include "stackhandler.h"
@@ -396,10 +395,6 @@ void ScriptEngine::attemptBreakpointSynchronization()
         handler->updateMarkers();
 }
 
-void ScriptEngine::reloadDisassembler()
-{
-}
-
 void ScriptEngine::loadSymbols(const QString &moduleName)
 {
     Q_UNUSED(moduleName)