no need in Debugger.attached variable anymore

Author: equivalence1

bin/rdebug-ide

@@ -141,8 +141,6 @@ Debugger.evaluation_timeout = options.evaluation_timeout
 Debugger.catchpoint_deleted_event = options.catchpoint_deleted_event || options.rm_protocol_extensions
 Debugger.value_as_nested_element = options.value_as_nested_element || options.rm_protocol_extensions
 
-Debugger.attached = true
-
 if options.attach_mode
   if Debugger::FRONT_END == "debase"
     Debugger.init_variables

lib/ruby-debug-ide/commands/control.rb

@@ -136,7 +136,6 @@ def regexp
     end
 
     def execute
-      Debugger.attached = false
       Debugger.stop
       Debugger.interface.close
       Debugger::MultiProcess.undo_monkey