ext4: drop duplicate ea_inode handling in ext4_xattr_block_set()

ext4_xattr_block_set() drops ea_inode reference in two places. Handling
it just under the 'cleanup' label is enough so drop the second
occurence.

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240209112107.10585-3-jack@suse.cz


Signed-off-by: Theodore Ts'o <tytso@mit.edu>