meter: fix RFC4115 trTCM API Doxygen

[ upstream commit d053bcdafd347a6735d47b1f0139e9c268f56972 ]

The API's for rte_meter_trtcm were documented as experimental
with warning in documentation but the API's were not marked
as experimental in version.map and/or with __rte_experimental.

This patch removes the warnings from the docbook comment.

Fixes: 30512af ("meter: remove experimental flag from RFC4115 trTCM API")

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>

lib/meter/rte_meter.h

@@ -128,9 +128,6 @@ int
 rte_meter_trtcm_profile_config(struct rte_meter_trtcm_profile *p,
 	struct rte_meter_trtcm_params *params);
 /**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
  * trTCM RFC 4115 profile configuration
  *
  * @param p
@@ -174,9 +171,6 @@ rte_meter_trtcm_config(struct rte_meter_trtcm *m,
 	struct rte_meter_trtcm_profile *p);
 
 /**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
  * trTCM RFC 4115 configuration per metered traffic flow
  *
  * @param m
@@ -277,9 +271,6 @@ rte_meter_trtcm_color_aware_check(struct rte_meter_trtcm *m,
 	enum rte_color pkt_color);
 
 /**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
  * trTCM RFC4115 color blind traffic metering
  *
  * @param m
@@ -301,9 +292,6 @@ rte_meter_trtcm_rfc4115_color_blind_check(
 	uint32_t pkt_len);
 
 /**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
  * trTCM RFC4115 color aware traffic metering
  *
  * @param m