Sanitize company references and update Vault/Grafana endpoints

environments/dev/Seahorse/backend.tf

@@ -8,17 +8,4 @@ terraform {
       source  = "hashicorp/vault"
     }
   }
-
-  backend "s3" {
-    endpoints = {
-      s3 = "https://storage.yandexcloud.net" }
-    bucket                      = "monitoring-vcmt-core-deploy"
-    region                      = "ru-central1"
-    key                         = "dev-denis-practic/terraform.tfstate"
-    skip_region_validation      = true
-    skip_credentials_validation = true
-    skip_requesting_account_id  = true
-    skip_s3_checksum            = true
-    skip_metadata_api_check     = true
-  }
 }