refactor(structure): remove leading gitea directory (#958)

The following pull request removes the `gitea` directory. With regard to maintaining act_runners in a separate git repository or helm chart, this additional directory becomes redundant.

Reviewed-on: https://gitea.com/gitea/helm-gitea/pulls/958
Reviewed-by: DaanSelen <daanselen@noreply.gitea.com>
Co-authored-by: Markus Pesch <markus.pesch@cryptic.systems>
Co-committed-by: Markus Pesch <markus.pesch@cryptic.systems>

unittests/helm/ingress/basic.yaml

@@ -1,6 +1,6 @@
 suite: Test ingress.yaml
 templates:
-  - templates/gitea/ingress.yaml
+  - templates/ingress.yaml
 tests:
   - it: should enable ingress when ingress.enabled is true
     set:

unittests/helm/ingress/implicit-defaults.yaml

@@ -1,6 +1,6 @@
 suite: Test ingress with implicit path defaults
 templates:
-  - templates/gitea/ingress.yaml
+  - templates/ingress.yaml
 tests:
   - it: should use default path and pathType when no paths are specified
     set:

unittests/helm/ingress/ingress.tpl.yaml

@@ -1,6 +1,6 @@
 suite: Test ingress tpl use
 templates:
-  - templates/gitea/ingress.yaml
+  - templates/ingress.yaml
 tests:
   - it: Ingress Class using TPL
     set:

unittests/helm/ingress/structured-paths.yaml

@@ -1,6 +1,6 @@
 suite: Test ingress with structured paths
 templates:
-  - templates/gitea/ingress.yaml
+  - templates/ingress.yaml
 tests:
   - it: should work with structured path definitions
     set: