Let consing_until_gc exceed EMACS_INT_MAX

This builds on the previous patch.
* src/alloc.c (consing_until_gc): Now of type intmax_t,
since gc-cons-threshold can be up to INTMAX_MAX.  All uses changed.
* src/lisp.h (CONSING_CT_MAX, consing_ct): Remove.
1 job for master in 90 minutes and 2 seconds (queued for 3 seconds)
Status Job ID Name Coverage
failed #2966


Name Stage Failure
test-all Test The script exceeded the maximum execution time set for the job
make -C test check-expensive
make[1]: Entering directory '/builds/emacs/emacs/test'
rm -f ./*.tmp
make[2]: Entering directory '/builds/emacs/emacs/test'
make[3]: Entering directory '/builds/emacs/emacs/test'
ELC lisp/net/tramp-tests.elc
GEN lisp/net/tramp-tests.log
Pulling docker image gitlab/gitlab-runner-helper:x86_64-d0b76032 ...
ERROR: Job failed: execution took longer than 1h30m0s seconds