lib: remove unneeded forward declarations in trace-ir/field-class.h

`struct bt_field` is not used in this file.  `struct bt_field_class` is
not needed, as the struct is defined right there below.

Change-Id: I4f4da1b32fd80eefecc6205febf51e3e0dd5a365
Signed-off-by: Simon Marchi <simon.marchi@efficios.com>
Reviewed-on: https://review.lttng.org/c/babeltrace/+/7318
Tested-by: jenkins <jenkins@lttng.org>
Reviewed-by: Philippe Proulx <eeppeliteloop@gmail.com>
Reviewed-on: https://review.lttng.org/c/babeltrace/+/7297

diff --git a/src/lib/trace-ir/field-class.h b/src/lib/trace-ir/field-class.h
index 77df580407cadd69af852ab7269ff15a7e0808e4..29c4f72a92921004690eed2004eb412b939e8c93 100644 (file)
--- a/src/lib/trace-ir/field-class.h
+++ b/src/lib/trace-ir/field-class.h
@@ -27,9 +27,6 @@
        (&g_array_index((_mapping)->ranges,                             \
                struct bt_field_class_enumeration_mapping_range, (_index)))
 
-struct bt_field;
-struct bt_field_class;
-
 struct bt_field_class {
        struct bt_object base;
        enum bt_field_class_type type;