erofs: don't warn ztailpacking feature anymore

The ztailpacking feature has been merged for a year, it has been mostly
stable now.

Signed-off-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230227084457.3510-1-zbestahu@gmail.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Author: taigerhu

fs/erofs/super.c

@@ -425,8 +425,6 @@ static int erofs_read_superblock(struct super_block *sb)
 	/* handle multiple devices */
 	ret = erofs_scan_devices(sb, dsb);
 
-	if (erofs_sb_has_ztailpacking(sbi))
-		erofs_info(sb, "EXPERIMENTAL compressed inline data feature in use. Use at your own risk!");
 	if (erofs_is_fscache_mode(sb))
 		erofs_info(sb, "EXPERIMENTAL fscache-based on-demand read feature in use. Use at your own risk!");
 	if (erofs_sb_has_fragments(sbi))