Remove obsolete manual cypclass refcounting from unit tests with templated code

tests/run/cypclass_acthon.pyx

@@ -30,7 +30,6 @@ cdef cypclass BasicQueue(ActhonQueueInterface) checklock:
     self._queue.push_back(message)
     if message._sync_method is not NULL:
       message._sync_method.insertActivity(message)
-    Cy_INCREF(message)
 
   bint activate(self):
     cdef bint one_message_processed
@@ -52,7 +51,6 @@ cdef cypclass BasicQueue(ActhonQueueInterface) checklock:
     else:
       self._queue.push_back(next_message)
       # Don't forget to incref to avoid premature deallocation
-      Cy_INCREF(next_message)
     return one_message_processed
 
 cdef cypclass NoneResult(ActhonResultInterface) checklock:

tests/run/cypclass_subscript_exceptions_checked_result.pyx

@@ -23,8 +23,6 @@ cdef cypclass SingleInsertionDict[K, V]:
         end = self._indices.end()
 
         if it == end:
-            Cy_INCREF(key)
-            Cy_INCREF(value)
             self._indices[key] = self._items.size()
             self._items.push_back((key, value))
         else:
@@ -46,8 +44,6 @@ cdef cypclass SingleInsertionDict[K, V]:
 
         if it != end:
             index = deref(it).second
-            Cy_DECREF(self._items[index][0])
-            Cy_DECREF(self._items[index][1])
             self._indices.erase(it)
             if index < self._items.size() - 1:
                 self._items[index] = self._items[self._indices.size() - 1]