generateJsInteropExports flag does not work in SDM

Change-Id: I3b5aa9b0c0ce5e64ef8e4463ff6f98503dbf1d53
Bug-Link: https://github.com/gwtproject/gwt/issues/9223

dev/core/src/com/google/gwt/dev/shell/SuperDevListener.java

diff --git a/dev/core/src/com/google/gwt/dev/shell/SuperDevListener.java b/dev/core/src/com/google/gwt/dev/shell/SuperDevListener.java
index 04ea102..6bec81c 100644
--- a/dev/core/src/com/google/gwt/dev/shell/SuperDevListener.java
+++ b/dev/core/src/com/google/gwt/dev/shell/SuperDevListener.java
@@ -172,7 +172,6 @@
     }
     if (options.shouldGenerateJsInteropExports()) {
       args.add("-generateJsInteropExports");
-      args.add(options.getJsInteropMode().name());
     }
     if (!options.isIncrementalCompileEnabled()) {
       args.add("-noincremental");