Remove burnins adapter related files (#1537)

* extract burnin files
* remove test

Signed-off-by: rosborne132 <[email protected]>

Author: rosborne132

.codecov.yml

@@ -19,8 +19,6 @@ comment:
 
 ignore:
   - "contrib/opentimelineio_contrib/adapters/tests/test_rvsession.py"
-  - "contrib/opentimelineio_contrib/adapters/tests/test_burnins.py"
-  - "contrib/opentimelineio_contrib/adapters/burnins.py"
   - "*aaf2*"
   - "*pkg_resources*"
   - "*pbr*"

contrib/opentimelineio_contrib/adapters/burnins.py

@@ -1,12 +1,6 @@
 {
     "OTIO_SCHEMA" : "PluginManifest.1",
     "adapters": [
-        {
-            "OTIO_SCHEMA" : "Adapter.1",
-            "name" : "burnins",
-            "filepath" : "burnins.py",
-            "suffixes" : []
-        },
         {
             "OTIO_SCHEMA": "Adapter.1",
             "name": "xges",