Remove debugging print statements.

pkg/analysis_server/lib/src/protocol_server.dart

Index: pkg/analysis_server/lib/src/protocol_server.dart
diff --git a/pkg/analysis_server/lib/src/protocol_server.dart b/pkg/analysis_server/lib/src/protocol_server.dart
index 153958fa41484621908f2492ddfa1a5d92d33829..913e1f2bb2d1e9a9c74f1914c2f83043d987f9fd 100644
--- a/pkg/analysis_server/lib/src/protocol_server.dart
+++ b/pkg/analysis_server/lib/src/protocol_server.dart
@@ -163,12 +163,6 @@ Location newLocation_fromElement(engine.Element element) {
   engine.AnalysisContext context = element.context;
   engine.Source source = element.source;
   if (context == null || source == null) {
-    print('element=$element context=$context source=$source');
-    engine.Element e = element;
-    while (e != null) {
-      print('  (${e.runtimeType}) $e');
-      e = e.enclosingElement;
-    }
     return null;
   }
   String name = element.displayName;