Revert "test: add script to run DB integration tests locally (#653)"

This reverts commit 9dad851127995fb92860febef7deadc0ad79e294.

Author: ishymko

.github/actions/spelling/allow.txt

@@ -58,7 +58,6 @@ Llm
 lstrips
 mikeas
 mockurl
-mysqladmin
 notif
 oauthoidc
 oidc
@@ -67,7 +66,6 @@ otherurl
 postgres
 POSTGRES
 postgresql
-proot
 protoc
 pyi
 pypistats