signature of java_object_factoryt::gen_nondet_struct_init

[kroening]

java_object_factoryt::gen_nondet_struct_init takes an expression as
parameter, whose type is the tag type that refers to a struct that is always
given as another parameter. The redundant parameter is removed.

• Each commit message has a non-empty body, explaining why the change was made.
• n/a Methods or procedures I have added are documented, following the guidelines provided in CODING_STANDARD.md.
• n/a The feature or user visible behaviour I have added or modified has been documented in the User Guide in doc/cprover-manual/
• Regression or unit tests are included, or existing tests cover the modified code (in this case I have detailed which ones those are in the commit message).
• n/a My commit message includes data points confirming performance improvements (if claimed).
• My PR is restricted to a single feature or bugfix.
• n/a White-space or formatting changes outside the feature-related changed lines are in commits of their own.

[thk123]

This needs a TG bump, find it hard to believe this param was added for no reason at all, but I'll wait for CI to be passing here first?

[TGWDB]

Closing as failed CI and lack of update for years implies this is not being looked at/addressed. If you believe this is erroneous please reopen.