Remove nonlinearsolve as a dep by just using the default nonlinearsolve

[ChrisRackauckas]

Should greatly improve load times when it's not needed.

[github-actions]

Benchmark Results (Julia v1)

Time benchmarks

	master	048f024...	master / 048f024...
ODEProblem	0.08 ± 0.003 s	0.0821 ± 0.0059 s	0.974 ± 0.079
init	0.0486 ± 0.012 ms	0.0566 ± 0.012 ms	0.859 ± 0.28
large_parameter_init/ODEProblem	0.713 ± 0.013 s	0.744 ± 0.022 s	0.959 ± 0.033
large_parameter_init/init	0.1 ± 0.01 ms	0.101 ± 0.01 ms	0.994 ± 0.14
mtkcompile	0.034 ± 0.00076 s	0.0355 ± 0.0012 s	0.957 ± 0.039
time_to_load	5.75 ± 0.063 s	4.99 ± 0.023 s	1.15 ± 0.014

Memory benchmarks

	master	048f024...	master / 048f024...
ODEProblem	0.578 M allocs: 18.8 MB	0.579 M allocs: 18.9 MB	0.997
init	0.815 k allocs: 0.0318 MB	0.815 k allocs: 0.0318 MB	1
large_parameter_init/ODEProblem	4.68 M allocs: 0.169 GB	4.68 M allocs: 0.168 GB	1
large_parameter_init/init	1.66 k allocs: 0.0712 MB	1.66 k allocs: 0.0712 MB	1
mtkcompile	0.232 M allocs: 8.08 MB	0.233 M allocs: 8.08 MB	0.999
time_to_load	0.159 k allocs: 11.2 kB	0.159 k allocs: 11.2 kB	1

[github-actions]

Benchmark Results (Julia vlts)

Time benchmarks

	master	048f024...	master / 048f024...
ODEProblem	0.0826 ± 0.0068 s	0.082 ± 0.0059 s	1.01 ± 0.11
init	0.0612 ± 0.0018 ms	0.0611 ± 0.0016 ms	1 ± 0.039
large_parameter_init/ODEProblem	0.705 ± 0.0071 s	0.706 ± 0.0088 s	1 ± 0.016
large_parameter_init/init	0.111 ± 0.0021 ms	0.111 ± 0.0021 ms	0.996 ± 0.027
mtkcompile	0.0349 ± 0.0012 s	0.0342 ± 0.00093 s	1.02 ± 0.045
time_to_load	5.61 ± 0.036 s	4.82 ± 0.0093 s	1.16 ± 0.0078

Memory benchmarks

	master	048f024...	master / 048f024...
ODEProblem	0.588 M allocs: 20.1 MB	0.588 M allocs: 20.1 MB	1
init	0.908 k allocs: 0.0479 MB	0.908 k allocs: 0.0479 MB	1
large_parameter_init/ODEProblem	4.61 M allocs: 0.177 GB	4.61 M allocs: 0.177 GB	1
large_parameter_init/init	1.75 k allocs: 0.0874 MB	1.75 k allocs: 0.0874 MB	1
mtkcompile	0.233 M allocs: 8.64 MB	0.233 M allocs: 8.64 MB	1
time_to_load	0.153 k allocs: 14.5 kB	0.153 k allocs: 14.5 kB	1