Remove Sky tests that we don't intend to port to the new world

sky/tests/modules/dart-imports-loader-interaction.sky

Index: sky/tests/modules/dart-imports-loader-interaction.sky
diff --git a/sky/tests/modules/dart-imports-loader-interaction.sky b/sky/tests/modules/dart-imports-loader-interaction.sky
deleted file mode 100644
index cbcdcee3ed6bf30fe870be4f38a6c30181678ee6..0000000000000000000000000000000000000000
--- a/sky/tests/modules/dart-imports-loader-interaction.sky
+++ /dev/null
@@ -1,12 +0,0 @@
-<import src='resources/with-dart-import.sky' as='test'></import>
-<script>
-import "dart:sky.internals" as internals;
-
-void main() {
-    // The HTMLImportsLoader used to think with-dart-import load completed
-    // and did not know about with-dart-import having dart import statements
-    // which had made the load/execution of the script asynchronous.
-    String result = test.didInit ? "PASS" : "FAIL";
-    internals.notifyTestComplete(result);
-}
-</script>