remove openapi

Due to:
```
'Request' object has no attribute 'accepted_renderer'
```
and packakging rules openapi gets removed for now.

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed
 - libsass support: https://sass-lang.com/blog/libsass-is-deprecated [111](https://github.com/greenbone/pheme/pull/111)
 - equipment treemap [112](https://github.com/greenbone/pheme/pull/112)
+- openapi [127](https://github.com/greenbone/pheme/pull/127)
 ### Fixed
 
 [Unreleased]: https://github.com/greenbone/pheme/compare/v0.0.1a3...HEAD

pheme/urls.py

@@ -32,9 +32,7 @@
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 
-from django.urls import path, re_path
-from django.views.generic import TemplateView
-from rest_framework.schemas import get_schema_view
+from django.urls import path
 import pheme.version
 import pheme.views
 import pheme.parameter
@@ -66,20 +64,4 @@
         pheme.views.template_elements,
         name='template_elements',
     ),
-    re_path(
-        r'^openapi-schema',
-        get_schema_view(
-            title="Pheme",
-            description="static report generation",
-            public=True,
-        ),
-        name='openapi-schema',
-    ),
-    path(
-        'docs/',
-        TemplateView.as_view(
-            template_name='swagger-ui.html',
-            extra_context={'schema_url': 'openapi-schema'},
-        ),
-    ),
 ]