chore(Postgresql): Move postgresql to a seperate dependency train

charts/stable/postgresql/Chart.yaml

@@ -1,30 +0,0 @@
-apiVersion: v2
-appVersion: "14.0.0"
-dependencies:
-- name: common
-  repository: https://truecharts.org
-  version: 8.5.3
-deprecated: false
-description: PostgresSQL
-home: https://github.com/truecharts/apps/tree/master/stable/postgres
-icon: https://d1q6f0aelx0por.cloudfront.net/product-logos/library-postgres-logo.png
-keywords:
-- postgres
-- postgressql
-- dtabase
-- sql
-kubeVersion: '>=1.16.0-0'
-maintainers:
-- email: info@truecharts.org
-  name: TrueCharts
-  url: truecharts.org
-name: postgresql
-sources:
-- https://www.postgresql.org/
-type: application
-version: 5.1.11
-annotations:
-  truecharts.org/catagories: |
-    - database
-  truecharts.org/SCALE-support: "true"
-  truecharts.org/grade: U