test: Remove toolchain tests

Author: kateinoigakukun

test/lit.cfg

@@ -23,15 +23,6 @@ config.test_exec_root = lit_config.params.get(
 config.available_features.add("platform="+platform.system())
 config.available_features.add("scheme="+lit_config.params.get("scheme", "main"))
 
-# --param package-path=PATH
-package_path = lit_config.params.get("package-path")
-if package_path:
-    package_path = os.path.abspath(package_path)
-    lit_config.note(f"testing toolchain package: {package_path}")
-else:
-    lit_config.warning("'--param package-path=PATH' is not set, skipping toolchain tests")
-config.swift_package_path = package_path
-
 # --param swift-sdk=<swift-sdk-id>
 swift_sdk = lit_config.params.get("swift-sdk")
 if swift_sdk: