.github: Remove flag RESYNC_METABASE

This commit rolls back e1aed14
It was a mistake to make that change.
Now it is not necessary, nspcc-dev/neofs-testcases#608
allows to do without a separate flag.

Signed-off-by: Oleg Kulachenko <oleg@nspcc.ru>

.github/testcases-env

@@ -7,9 +7,6 @@ CA_CERTS_TRUSTED_STORE=${PWD}/vendor/certs
 BASTION_VERSION=10
 BASTION_IMAGE=debian
 
-# Flag to enable metabase resync on start
-RESYNC_METABASE=false
-
 # NeoGo privnet
 #CHAIN_PATH="/path/to/devenv.dump.gz"
 CHAIN_URL="https://github.com/nspcc-dev/neofs-contract/releases/download/v0.17.0/devenv_mainchain.gz"