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/include/osmocom/core/bitXXgen.h.tpl b/include/osmocom/core/bitXXgen.h.tpl
index 7480a8f..6881d87 100644
--- a/include/osmocom/core/bitXXgen.h.tpl
+++ b/include/osmocom/core/bitXXgen.h.tpl
@@ -22,7 +22,7 @@
 
 #pragma once
 
-/*! \brief load unaligned n-byte integer (little-endian encoding) into uintXX_t
+/*! load unaligned n-byte integer (little-endian encoding) into uintXX_t
  *  \param[in] p Buffer where integer is stored
  *  \param[in] n Number of bytes stored in p
  *  \returns XX bit unsigned integer
@@ -36,7 +36,7 @@
 	return r;
 }
 
-/*! \brief load unaligned n-byte integer (big-endian encoding) into uintXX_t
+/*! load unaligned n-byte integer (big-endian encoding) into uintXX_t
  *  \param[in] p Buffer where integer is stored
  *  \param[in] n Number of bytes stored in p
  *  \returns XX bit unsigned integer
@@ -51,7 +51,7 @@
 }
 
 
-/*! \brief store unaligned n-byte integer (little-endian encoding) from uintXX_t
+/*! store unaligned n-byte integer (little-endian encoding) from uintXX_t
  *  \param[in] x unsigned XX bit integer
  *  \param[out] p Buffer to store integer
  *  \param[in] n Number of bytes to store
@@ -63,7 +63,7 @@
 	for(i = 0; i < n; q[i] = (x >> i * 8) & 0xFF, i++);
 }
 
-/*! \brief store unaligned n-byte integer (big-endian encoding) from uintXX_t
+/*! store unaligned n-byte integer (big-endian encoding) from uintXX_t
  *  \param[in] x unsigned XX bit integer
  *  \param[out] p Buffer to store integer
  *  \param[in] n Number of bytes to store
@@ -79,26 +79,26 @@
 /* Convenience function for most-used cases */
 
 
-/*! \brief load unaligned XX-bit integer (little-endian encoding) */
+/*! load unaligned XX-bit integer (little-endian encoding) */
 static inline uintXX_t osmo_loadXXle(const void *p)
 {
 	return osmo_loadXXle_ext(p, XX / 8);
 }
 
-/*! \brief load unaligned XX-bit integer (big-endian encoding) */
+/*! load unaligned XX-bit integer (big-endian encoding) */
 static inline uintXX_t osmo_loadXXbe(const void *p)
 {
 	return osmo_loadXXbe_ext(p, XX / 8);
 }
 
 
-/*! \brief store unaligned XX-bit integer (little-endian encoding) */
+/*! store unaligned XX-bit integer (little-endian encoding) */
 static inline void osmo_storeXXle(uintXX_t x, void *p)
 {
 	osmo_storeXXle_ext(x, p, XX / 8);
 }
 
-/*! \brief store unaligned XX-bit integer (big-endian encoding) */
+/*! store unaligned XX-bit integer (big-endian encoding) */
 static inline void osmo_storeXXbe(uintXX_t x, void *p)
 {
 	osmo_storeXXbe_ext(x, p, XX / 8);