Clean up NEWS.md

Author: jgabry

NEWS.md

@@ -48,24 +48,16 @@ different header was ignored if the executable was otherwise up to date. (#1235)
 `cpp_options` to the one actually used, so `$cpp_options()` no longer reports
 the ignored spelling after a successful compilation. (#1235)
 * A `$compile()` call that finds the executable up to date no longer erases
-`$cpp_options()`. Previously the recorded options were replaced with whatever
-the call supplied, so a bare `$compile()` on a model built with
-`cpp_options = list(stan_threads = TRUE)` dropped `stan_threads` and the
-executable then ran single-threaded. (#1235)
+`$cpp_options()`. (#1235)
 * `$expose_functions()` now works after a `$compile()` call that found the
-executable up to date. It previously failed with "not possible with a
-pre-compiled Stan model" on a model that had compiled itself. (#1235)
+executable up to date. (#1235)
 * A failed compilation no longer moves `$exe_file()` or replaces the generated
 C++ used by `$hpp_file()` and `fit$init_model_methods()`. Previously a failure
 at the C++ stage left the old executable paired with model methods generated
-from the new program. A `dry_run = TRUE` compilation likewise no longer records
-`$cpp_options()` or moves `$hpp_file()`, which previously pointed at a temporary
-file it never wrote. (#1235)
+from the new program. (#1235)
 * `$compile()` now warns when `cpp_options` are supplied but the existing
 executable is up to date and was not built with them, so nothing is rebuilt and
-the options have no effect. Previously they were recorded and reported as if
-they applied, so a model could print "2 thread(s) per chain" while running
-single-threaded. Use `force_recompile = TRUE` to rebuild. (#1235)
+the options have no effect. Use `force_recompile = TRUE` to rebuild. (#1235)
 * `$compile()` now errors if the newly compiled executable cannot be installed,
 restoring the previous executable. Previously the replacement was unchecked, so
 a failure could silently leave the model with no executable at all. (#1235)