Remove chart testing workflow for now

.github/workflows/charts-lint-test.yaml

@@ -1,20 +0,0 @@
-name: Lint and Test Charts
-
-on: pull_request
-
-jobs:
-  lint-test:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Fetch history
-        run: git fetch --prune --unshallow
-
-      - name: Run chart-testing (lint)
-        id: lint
-        uses: helm/chart-testing-action@v1.1.0
-        with:
-          command: lint
-          config: ct.yaml

chart_schema.yaml

@@ -1,37 +0,0 @@
-name: str()
-home: str(required=False)
-version: str()
-apiVersion: str()
-appVersion: any(str(), num(), required=False)
-description: str()
-keywords: list(str(), required=False)
-sources: list(str(), required=False)
-maintainers: list(include('maintainer'), required=False)
-dependencies: list(include('dependency'), required=False)
-icon: str(required=False)
-engine: str(required=False)
-condition: str(required=False)
-tags: str(required=False)
-deprecated: bool(required=False)
-kubeVersion: str(required=False)
-annotations: map(str(), str(), required=False)
-type: str(required=False)
----
-maintainer:
-  name: str()
-  email: str(required=False)
-  url: str(required=False)
----
-dependency:
-  name: str()
-  version: str()
-  repository: str()
-  condition: str(required=False)
-  tags: list(str(), required=False)
-  enabled: bool(required=False)
-  import-values: any(list(str()), list(include('import-value')), required=False)
-  alias: str(required=False)
----
-import-value:
-  child: str()
-  parent: str()

ct.yaml

@@ -1,8 +0,0 @@
-charts:
-  - contrib/chart/backstage
-
-validate-maintainers: false
-debug: true
-target-branch: master
-chart-repos:
-  - bitnami=https://charts.bitnami.com/bitnami

lintconf.yaml

@@ -1,42 +0,0 @@
----
-rules:
-  braces:
-    min-spaces-inside: 0
-    max-spaces-inside: 0
-    min-spaces-inside-empty: -1
-    max-spaces-inside-empty: -1
-  brackets:
-    min-spaces-inside: 0
-    max-spaces-inside: 0
-    min-spaces-inside-empty: -1
-    max-spaces-inside-empty: -1
-  colons:
-    max-spaces-before: 0
-    max-spaces-after: 1
-  commas:
-    max-spaces-before: 0
-    min-spaces-after: 1
-    max-spaces-after: 1
-  comments:
-    require-starting-space: true
-    min-spaces-from-content: 2
-  document-end: disable
-  document-start: disable # No --- to start a file
-  empty-lines:
-    max: 2
-    max-start: 0
-    max-end: 0
-  hyphens:
-    max-spaces-after: 1
-  indentation:
-    spaces: consistent
-    indent-sequences: whatever # - list indentation will handle both indentation and without
-    check-multi-line-strings: false
-  key-duplicates: enable
-  line-length: disable # Lines can be any length
-  new-line-at-end-of-file: enable
-  new-lines:
-    type: unix
-  trailing-spaces: enable
-  truthy:
-    level: warning