Remove wifi aidl-exports from framework-aidl-export-defaults

Nothing should be depending on sources from the wifi module.

Bug: 149821758
Test: m
Change-Id: I4e7a0198003c8de29895b84ebdf07dae2109d472
diff --git a/Android.bp b/Android.bp
index b3c9e2a..3dae2c6 100644
--- a/Android.bp
+++ b/Android.bp
@@ -327,7 +327,6 @@
             "rs/java",
             "sax/java",
             "telecomm/java",
-            "wifi/aidl-export",
         ],
     },
 }