Java: Update expected test output.

Author: michaelnebel

java/ql/test/utils/modelgenerator/dataflow/CaptureNeutralModels.expected

@@ -3,7 +3,6 @@
 | p;FluentAPI$Inner;notThis;(String);summary;df-generated |
 | p;ImmutablePojo;getX;();summary;df-generated |
 | p;Joiner;length;();summary;df-generated |
-| p;MultipleImpl2$IInterface;m;(Object);summary;df-generated |
 | p;ParamFlow;ignorePrimitiveReturnValue;(String);summary;df-generated |
 | p;ParamFlow;mapType;(Class);summary;df-generated |
 | p;Pojo;doNotSetValue;(String);summary;df-generated |