* Extension API: change fallback source and logic * remove ghproxy (cherry picked from commit 284445c364baa47c4f29a524c3e00f1e18360abb) # Conflicts: # app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionGithubApi.kt (cherry picked from commit ef20995e7d1ff8b37b7adeb6caf86420bcf600ae)