doxygen: enable AUTOBRIEF, drop \brief

Especially for short descriptions, it is annoying to have to type \brief for
every single API doc.

Drop all \brief and enable the AUTOBRIEF feature of doxygen, which always takes
the first sentence of an API doc as the brief description.

Change-Id: I11a8a821b065a128108641a2a63fb5a2b1916e87
diff --git a/src/gb/gprs_bssgp_bss.c b/src/gb/gprs_bssgp_bss.c
index 93af98f..f41c4a4 100644
--- a/src/gb/gprs_bssgp_bss.c
+++ b/src/gb/gprs_bssgp_bss.c
@@ -41,7 +41,7 @@
 	return msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli);
 }
 
-/*! \brief GMM-SUSPEND.req (Chapter 10.3.6) */
+/*! GMM-SUSPEND.req (Chapter 10.3.6) */
 int bssgp_tx_suspend(uint16_t nsei, uint32_t tlli,
 		     const struct gprs_ra_id *ra_id)
 {
@@ -64,7 +64,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief GMM-RESUME.req (Chapter 10.3.9) */
+/*! GMM-RESUME.req (Chapter 10.3.9) */
 int bssgp_tx_resume(uint16_t nsei, uint32_t tlli,
 		    const struct gprs_ra_id *ra_id, uint8_t suspend_ref)
 {
@@ -89,7 +89,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit RA-CAPABILITY-UPDATE (10.3.3) */
+/*! Transmit RA-CAPABILITY-UPDATE (10.3.3) */
 int bssgp_tx_ra_capa_upd(struct bssgp_bvc_ctx *bctx, uint32_t tlli, uint8_t tag)
 {
 	struct msgb *msg = bssgp_msgb_alloc();
@@ -139,7 +139,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit RADIO-STATUS for TLLI (10.3.5) */
+/*! Transmit RADIO-STATUS for TLLI (10.3.5) */
 int bssgp_tx_radio_status_tlli(struct bssgp_bvc_ctx *bctx, uint8_t cause,
 				uint32_t tlli)
 {
@@ -153,7 +153,7 @@
 	return common_tx_radio_status2(msg, cause);
 }
 
-/*! \brief Transmit RADIO-STATUS for TMSI (10.3.5) */
+/*! Transmit RADIO-STATUS for TMSI (10.3.5) */
 int bssgp_tx_radio_status_tmsi(struct bssgp_bvc_ctx *bctx, uint8_t cause,
 				uint32_t tmsi)
 {
@@ -168,7 +168,7 @@
 	return common_tx_radio_status2(msg, cause);
 }
 
-/*! \brief Transmit RADIO-STATUS for IMSI (10.3.5) */
+/*! Transmit RADIO-STATUS for IMSI (10.3.5) */
 int bssgp_tx_radio_status_imsi(struct bssgp_bvc_ctx *bctx, uint8_t cause,
 				const char *imsi)
 {
@@ -187,7 +187,7 @@
 	return common_tx_radio_status2(msg, cause);
 }
 
-/*! \brief Transmit FLUSH-LL-ACK (Chapter 10.4.2) */
+/*! Transmit FLUSH-LL-ACK (Chapter 10.4.2) */
 int bssgp_tx_flush_ll_ack(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
 			   uint8_t action, uint16_t bvci_new,
 			   uint32_t num_octets)
@@ -211,7 +211,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit LLC-DISCARDED (Chapter 10.4.3) */
+/*! Transmit LLC-DISCARDED (Chapter 10.4.3) */
 int bssgp_tx_llc_discarded(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
 			   uint8_t num_frames, uint32_t num_octets)
 {
@@ -237,7 +237,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit a BVC-BLOCK message (Chapter 10.4.8) */
+/*! Transmit a BVC-BLOCK message (Chapter 10.4.8) */
 int bssgp_tx_bvc_block(struct bssgp_bvc_ctx *bctx, uint8_t cause)
 {
 	struct msgb *msg = bssgp_msgb_alloc();
@@ -258,7 +258,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit a BVC-UNBLOCK message (Chapter 10.4.10) */
+/*! Transmit a BVC-UNBLOCK message (Chapter 10.4.10) */
 int bssgp_tx_bvc_unblock(struct bssgp_bvc_ctx *bctx)
 {
 	struct msgb *msg = bssgp_msgb_alloc();
@@ -277,7 +277,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit a BVC-RESET message (Chapter 10.4.12) */
+/*! Transmit a BVC-RESET message (Chapter 10.4.12) */
 int bssgp_tx_bvc_reset(struct bssgp_bvc_ctx *bctx, uint16_t bvci, uint8_t cause)
 {
 	struct msgb *msg = bssgp_msgb_alloc();
@@ -304,7 +304,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit a FLOW_CONTROL-BVC (Chapter 10.4.4)
+/*! Transmit a FLOW_CONTROL-BVC (Chapter 10.4.4)
  *  \param[in] bctx BVC Context
  *  \param[in] tag Additional tag to identify acknowledge
  *  \param[in] bucket_size Maximum bucket size in octets
@@ -376,7 +376,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief Transmit a FLOW_CONTROL-MS (Chapter 10.4.6)
+/*! Transmit a FLOW_CONTROL-MS (Chapter 10.4.6)
  *  \param[in] bctx BVC Context
  *  \param[in] tlli TLLI to identify MS
  *  \param[in] tag Additional tag to identify acknowledge
@@ -421,7 +421,7 @@
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
 
-/*! \brief RL-UL-UNITDATA.req (Chapter 10.2.2)
+/*! RL-UL-UNITDATA.req (Chapter 10.2.2)
  *  \param[in] bctx BVC Context
  *  \param[in] tlli TLLI to identify MS
  *  \param[in] qos_profile Pointer to three octests of QoS profile