remove some comments and redundant type

README.md

@@ -3,3 +3,4 @@ TODO:
     clear history and clear screen commands
     code refactoring
     updating prompt conflicts with some hints and with some arguments with cansend
+    test dumb mode

main/can.c

@@ -85,7 +85,6 @@ bool matches_filters(twai_message_t *msg) {
     return false;
 }
 
-// TODO: add software filtering
 void can_task(void* arg) {
     static const TickType_t can_task_timeout = pdMS_TO_TICKS(200);
     uint32_t alerts = 0;

main/can.h

@@ -8,14 +8,6 @@
 #include <stdint.h>
 #include <list.h>
 
-typedef struct {
-  char status[30];
-  int tec;
-  int rec;
-  int color;
-  bool extd;
-} can_prompt_t;
-
 typedef enum {
   CAN_NOT_INSTALLED = 0,
   CAN_STOPPED = 1,

main/cmd_can.c

@@ -149,7 +149,6 @@ static int canup(int argc, char **argv) {
     esp_err_t res;
     static twai_timing_config_t t_config;
     twai_general_config_t gen_cfg = default_g_config;
-    // TODO: add CAN filtering
     twai_filter_config_t f_config;
     int nerrors = arg_parse(argc, argv, (void **) &canup_args);
     if (nerrors != 0) {