Revert Initialize remove_from_list flag to true.

 * Cause regression in cloud registration

Author: Antti Yli-Tokola

features/FEATURE_COMMON_PAL/mbed-coap/module.json

@@ -1,6 +1,6 @@
 {
   "name": "mbed-coap",
-  "version": "4.0.5",
+  "version": "4.0.6",
   "description": "COAP library",
   "keywords": [
     "coap",

features/FEATURE_COMMON_PAL/mbed-coap/source/sn_coap_protocol.c

@@ -685,12 +685,14 @@ sn_coap_hdr_s *sn_coap_protocol_parse(struct coap_s *handle, sn_nsdl_addr_s *src
         /* Remove from the list if not an notification message.
          * Initial notification message is needed for sending rest of the blocks (GET request).
         */
-        bool remove_from_the_list = true;
+        bool remove_from_the_list = false;
         if (stored_blockwise_msg_temp_ptr) {
             if (stored_blockwise_msg_temp_ptr->coap_msg_ptr &&
                 stored_blockwise_msg_temp_ptr->coap_msg_ptr->options_list_ptr &&
                 stored_blockwise_msg_temp_ptr->coap_msg_ptr->options_list_ptr->observe != COAP_OBSERVE_NONE) {
                 remove_from_the_list = false;
+            } else {
+                remove_from_the_list = true;
             }
         }
         if (remove_from_the_list) {