refac(structure): remove leading gitea directory

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.

unittests/helm/deployment/signing-enabled.yaml

@@ -3,11 +3,11 @@ release:
   name: gitea-unittests
   namespace: testing
 templates:
-  - templates/gitea/deployment.yaml
-  - templates/gitea/config.yaml
+  - templates/deployment.yaml
+  - templates/config.yaml
 tests:
   - it: adds gpg init container
-    template: templates/gitea/deployment.yaml
+    template: templates/deployment.yaml
     set:
       signing:
         enabled: true
@@ -41,7 +41,7 @@ tests:
               mountPath: /raw
               readOnly: true
   - it: adds gpg env in `init-directories` init container
-    template: templates/gitea/deployment.yaml
+    template: templates/deployment.yaml
     set:
       signing.enabled: true
       signing.existingSecret: "custom-gpg-secret"
@@ -52,7 +52,7 @@ tests:
             name: GNUPGHOME
             value: /data/git/.gnupg
   - it: adds gpg env in runtime container
-    template: templates/gitea/deployment.yaml
+    template: templates/deployment.yaml
     set:
       signing.enabled: true
       signing.existingSecret: "custom-gpg-secret"
@@ -63,7 +63,7 @@ tests:
             name: GNUPGHOME
             value: /data/git/.gnupg
   - it: adds gpg volume spec
-    template: templates/gitea/deployment.yaml
+    template: templates/deployment.yaml
     set:
       signing:
         enabled: true
@@ -80,7 +80,7 @@ tests:
                   path: private.asc
               defaultMode: 0100
   - it: supports gpg volume spec with external reference
-    template: templates/gitea/deployment.yaml
+    template: templates/deployment.yaml
     set:
       signing:
         enabled: true