Revert "CompatHelper: bump compat for SymbolicUtils to 4, (keep existing compat)"

[ChrisRackauckas]

Reverts #3945

[github-actions]

Benchmark Results (Julia v1)

Time benchmarks

	master	a8cf5ac...	master / a8cf5ac...
ODEProblem	0.0848 ± 0.0028 s	0.087 ± 0.0024 s	0.975 ± 0.042
init	0.0504 ± 0.0069 ms	0.0476 ± 0.0055 ms	1.06 ± 0.19
large_parameter_init/ODEProblem	1.1 ± 0.018 s	1.13 ± 0.071 s	0.972 ± 0.063
large_parameter_init/init	0.0943 ± 0.0078 ms	0.0948 ± 0.0091 ms	0.994 ± 0.13
mtkcompile	0.0372 ± 0.0012 s	0.0369 ± 0.0015 s	1.01 ± 0.052
time_to_load	5.2 ± 0.26 s	5.43 ± 0.4 s	0.957 ± 0.085

Memory benchmarks

	master	a8cf5ac...	master / a8cf5ac...
ODEProblem	0.577 M allocs: 18.8 MB	0.578 M allocs: 18.8 MB	1
init	0.799 k allocs: 30.9 kB	0.799 k allocs: 30.9 kB	1
large_parameter_init/ODEProblem	4.43 M allocs: 0.161 GB	4.43 M allocs: 0.161 GB	1
large_parameter_init/init	1.65 k allocs: 0.0696 MB	1.65 k allocs: 0.0696 MB	1
mtkcompile	0.236 M allocs: 8.17 MB	0.236 M allocs: 8.18 MB	1
time_to_load	0.155 k allocs: 10.9 kB	0.155 k allocs: 10.9 kB	1

[github-actions]

Benchmark Results (Julia vlts)

Time benchmarks

	master	a8cf5ac...	master / a8cf5ac...
ODEProblem	0.081 ± 0.0054 s	0.0806 ± 0.0052 s	1 ± 0.093
init	0.0575 ± 0.0014 ms	0.058 ± 0.0016 ms	0.993 ± 0.036
large_parameter_init/ODEProblem	1.06 ± 0.005 s	1.06 ± 0.0057 s	1 ± 0.0072
large_parameter_init/init	0.108 ± 0.0022 ms	0.109 ± 0.002 ms	0.998 ± 0.028
mtkcompile	0.0347 ± 0.0014 s	0.0346 ± 0.0015 s	1 ± 0.059
time_to_load	4.88 ± 0.0089 s	4.86 ± 0.0061 s	1 ± 0.0022

Memory benchmarks

	master	a8cf5ac...	master / a8cf5ac...
ODEProblem	0.587 M allocs: 19.9 MB	0.587 M allocs: 19.9 MB	1
init	0.892 k allocs: 0.0463 MB	0.892 k allocs: 0.0463 MB	1
large_parameter_init/ODEProblem	4.3 M allocs: 0.166 GB	4.3 M allocs: 0.166 GB	1
large_parameter_init/init	1.74 k allocs: 0.0858 MB	1.74 k allocs: 0.0858 MB	1
mtkcompile	0.237 M allocs: 8.75 MB	0.237 M allocs: 8.75 MB	1
time_to_load	0.153 k allocs: 14.5 kB	0.153 k allocs: 14.5 kB	1