gencache: Remove a redundant check

tdb_storev itself is robust against overflow due to multiple buffers

Signed-off-by: Volker Lendecke <vl@samba.org>
23 jobs for vlendec-ci in 264 minutes and 16 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
passed build_ctdb #109089113
shared docker

00:37:27

passed build_others #109089115
docker shared

00:13:52

passed build_samba #109142614
private docker

03:18:52

passed build_samba_ad_dc #109089122
docker private

01:05:23

passed build_samba_ad_dc_2 #109089106
docker shared

00:40:50

passed build_samba_ad_dc_2_py3 #109089108
docker shared

00:29:06

passed build_samba_ad_dc_py3 #109089123
docker private

00:15:02

passed build_samba_buildpy3_only #109089116
docker shared

00:26:54

passed build_samba_ctdb #109089114
docker shared

00:18:11

passed build_samba_fileserver #109089121
docker private

00:17:28

passed build_samba_libs #109089109
docker shared

00:33:02

passed build_samba_libs_py3 #109089111
docker shared

00:33:18

passed build_samba_none_env #109089090
docker shared

00:46:18

passed build_samba_none_env_py3 #109089092
docker shared

00:22:13

passed build_samba_nopython #109089095
docker shared

00:28:20

passed build_samba_nt4 #109089119
docker private

00:34:51

passed build_samba_nt4_py3 #109089120
docker private

00:10:42

passed build_samba_o3 #109089102
docker shared

00:32:22

passed build_samba_py3 #109089118
docker private

00:58:31

passed build_samba_static #109089112
docker shared

00:45:31

passed build_samba_systemkrb5 #109089097
docker shared

00:16:16

passed build_samba_xc #109089099
docker shared

00:07:59

failed build_samba #109089117
docker private

01:38:12