Fix lots of occurrences of 'the the', 'the there', 'the these', 'the then', 'the they.

libc/locale/lib_localeconv.c

@@ -62,7 +62,7 @@
 
 FAR struct lconv *localeconv(void)
 {
-  /* NULL indicates the the locale was not changed */
+  /* NULL indicates the locale was not changed */
 
   return NULL;
 }

libc/modlib/modlib_registry.c

@@ -248,7 +248,7 @@ int modlib_registry_del(FAR struct module_s *modp)
  *
  * Returned Value:
  *   If the registry entry is found, a pointer to the module entry is
- *   returned.  NULL is returned if the they entry is not found.
+ *   returned.  NULL is returned if the entry is not found.
  *
  * Assumptions:
  *   The caller holds the lock on the module registry.
@@ -344,4 +344,4 @@ int modlib_registry_foreach(mod_callback_t callback, FAR void *arg)
 
   modlib_registry_unlock();
   return ret;
-}
+}

libc/netdb/lib_dns.h

@@ -178,7 +178,7 @@ int dns_bind(void);
  * Name: dns_query
  *
  * Description:
- *   Using the DNS resolver socket (sd), look up the the 'hostname', and
+ *   Using the DNS resolver socket (sd), look up the 'hostname', and
  *   return its IP address in 'ipaddr'
  *
  * Input Parameters:

libc/netdb/lib_dnsquery.c

@@ -411,7 +411,7 @@ static int dns_recv_response(int sd, FAR struct sockaddr *addr,
  * Name: dns_query_callback
  *
  * Description:
- *   Using the DNS information and this DNS server address, look up the the
+ *   Using the DNS information and this DNS server address, look up the
  *   hostname.
  *
  * Input Parameters:
@@ -624,7 +624,7 @@ static int dns_query_callback(FAR void *arg, FAR struct sockaddr *addr,
  * Name: dns_query
  *
  * Description:
- *   Using the DNS resolver socket (sd), look up the the 'hostname', and
+ *   Using the DNS resolver socket (sd), look up the 'hostname', and
  *   return its IP address in 'ipaddr'
  *
  * Input Parameters:

libc/wqueue/work_usrthread.c

@@ -188,7 +188,7 @@ void work_process(FAR struct usr_wqueue_s *wqueue)
 
               work->worker = NULL;
 
-              /* Do the work.  Unlock the the work queue while the work is being
+              /* Do the work.  Unlock the work queue while the work is being
                * performed... we don't have any idea how long this will take!
                */
 
@@ -223,7 +223,7 @@ void work_process(FAR struct usr_wqueue_s *wqueue)
         {
           /* This one is not ready.
            *
-           * NOTE that elapsed is relative to the the current time,
+           * NOTE that elapsed is relative to the current time,
            * not the time of beginning of this queue processing pass.
            * So it may need an adjustment.
            */