Revert "test: add migration-test repository for transfer automation testing (worlddriven#27)"

This reverts commit 7d5334a.

Author: TooAngel

REPOSITORIES.md

@@ -116,8 +116,3 @@ Track implementation progress in GitHub issue #9.
 ## webapp
 - Description: Web application interface for worlddriven
 - Topics: webapp, web, frontend, worlddriven
-
-## migration-test
-- Description: Test repository for worlddriven migration automation
-- Topics: test, migration, worlddriven
-- Origin: TooAngel/worlddriven-migration-test