JetDiagnosticsTest migrated to TestGenerator

- test data files renamed from *.jet to *.kt

compiler/testData/diagnostics/tests/annotations/AnnotatedConstructorParams.kt

@@ -0,0 +1,15 @@
+package a
+
+import java.lang.Deprecated as deprecated
+import java.lang.SuppressWarnings as suppresswarnings
+
+
+deprecated suppresswarnings val s: String = "";
+
+deprecated suppresswarnings fun main(args : Array<String>) {
+    System.out.println("Hello, world!")
+}
+
+class Test(deprecated val s: String,
+           suppresswarnings val x : Int) {}
+