params: make parameter units more consistent (#15502)

src/modules/navigator/follow_target_params.c

@@ -48,7 +48,7 @@
  *
  * The minimum height in meters relative to home for following a target
  *
- * @unit meters
+ * @unit m
  * @min 8.0
  * @group Follow target
  */
@@ -59,7 +59,7 @@ PARAM_DEFINE_FLOAT(NAV_MIN_FT_HT, 8.0f);
  *
  * The distance in meters to follow the target at
  *
- * @unit meters
+ * @unit m
  * @min 1.0
  * @group Follow target
  */
@@ -70,7 +70,6 @@ PARAM_DEFINE_FLOAT(NAV_FT_DST, 8.0f);
  *
  * The side to follow the target from (front right = 0, behind = 1, front = 2, front left = 3)
  *
- * @unit n/a
  * @min 0
  * @max 3
  * @group Follow target
@@ -82,7 +81,6 @@ PARAM_DEFINE_INT32(NAV_FT_FS, 1);
  * lower numbers increase the responsiveness to changing long lat
  * but also ignore less noise
  *
- * @unit n/a
  * @min 0.0
  * @max 1.0
  * @decimal 2

src/modules/navigator/navigator_params.c

@@ -159,7 +159,7 @@ PARAM_DEFINE_FLOAT(NAV_TRAFF_A_RADU, 10);
  *
  * Latitude of airfield home waypoint
  *
- * @unit deg * 1e7
+ * @unit deg*1e7
  * @min -900000000
  * @max 900000000
  * @group Data Link Loss
@@ -171,7 +171,7 @@ PARAM_DEFINE_INT32(NAV_AH_LAT, -265847810);
  *
  * Longitude of airfield home waypoint
  *
- * @unit deg * 1e7
+ * @unit deg*1e7
  * @min -1800000000
  * @max 1800000000
  * @group Data Link Loss

src/modules/navigator/rtl_params.c

@@ -123,7 +123,7 @@ PARAM_DEFINE_INT32(RTL_TYPE, 0);
  * Defines the half-angle of a cone centered around the destination position that
  * affects the altitude at which the vehicle returns.
  *
- * @unit degrees
+ * @unit deg
  * @min 0
  * @max 90
  * @value 0 No cone, always climb to RTL_RETURN_ALT above destination.