chore: Remove old workflow in '.argo' directory (#770)

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

Co-authored-by: Oliver Bähler <oliverbaehler@hotmail.com>

.argo/argo-checkout.yaml

@@ -1,21 +0,0 @@
----
-type: container
-version: 1
-name: argo-checkout
-description: Checks out a source repository to /src
-resources:
-  mem_mib: 500
-  cpu_cores: 0.1
-image: argoproj/argoscm:v2.0
-command: ["axscm"]
-args: ["clone", "%%inputs.parameters.REPO%%", "/src", "--commit", "%%inputs.parameters.COMMIT%%"]
-inputs:
-  parameters:
-    COMMIT:
-      default: "%%session.commit%%"
-    REPO:
-      default: "%%session.repo%%"
-outputs:
-  artifacts:
-    CODE:
-      path: /src

.argo/publish.yaml

@@ -1,58 +0,0 @@
----
-type: workflow
-version: 1
-name: Publish Charts
-inputs:
-  parameters:
-    COMMIT:
-      default: "%%session.commit%%"
-    REPO:
-      default: "%%session.repo%%"
-steps:
-- CHECKOUT:
-    template: argo-checkout
-- PREPARE:
-    image: hypnoglow/kubernetes-helm:v2.6.1
-    resources:
-      mem_mib: 500
-      cpu_cores: 0.1
-    command: ["sh", "-c"]
-    args: [cd /src && helm init --client-only && ./scripts/publish.sh]
-    inputs:
-      artifacts:
-        CODE:
-          from: "%%steps.CHECKOUT.outputs.artifacts.CODE%%"
-          path: /src
-    outputs:
-      artifacts:
-        CODE:
-          path: /src/output
-- PUBLISH:
-    image: argoproj/argoscm:v2.0
-    command: ["sh", "-c"]
-    args: [
-      axscm clone %%inputs.parameters.REPO%% --commit gh-pages /src && cd /src && cp -r /output/* . &&
-      git add . && git commit -m "Build on `date`" &&
-      axscm clone %%inputs.parameters.REPO%% /src --commit gh-pages --merge=gh-pages --push]
-    resources:
-      mem_mib: 500
-      cpu_cores: 0.1
-    inputs:
-      artifacts:
-        CODE:
-          from: "%%steps.PREPARE.outputs.artifacts.CODE%%"
-          path: /output
-
----
-type: policy
-version: 1
-name: Publish Charts Policy
-template: Publish Charts
-notifications:
-- when:
-  - on_failure
-  whom:
-  - committer
-  - author
-when:
-- event: on_push