remove old working_directory from release action

Author: amokan

.github/workflows/release.yaml

@@ -11,12 +11,6 @@ on:
     tags:
       - "v*"
 
-defaults:
-  run:
-    # Sets the working dir for "run" scripts.
-    # Note that this won't change the directory for actions (tasks with "uses").
-    working-directory: "./native/human_name_nif"
-
 jobs:
   build_release:
     name: NIF ${{ matrix.nif }} - ${{ matrix.job.target }} (${{ matrix.job.os }})