Remove SciMLBase custom source from trim tests to fix version conflicts

Author: ChrisRackauckas

test/trim/Project.toml

@@ -20,8 +20,6 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 # Remove assert that triggers false positive for JET. Tracked at https://github.com/aviatesk/JET.jl/issues/736.
 ForwardDiff = {url = "https://github.com/RomeoV/ForwardDiff.jl", rev="rv/remove-quote-assert-string-interpolation"}
 NonlinearSolveFirstOrder = {path = "../../lib/NonlinearSolveFirstOrder"}
-# Fix a type instability. Tracked at https://github.com/SciML/SciMLBase.jl/pull/1074.
-SciMLBase = {url = "https://github.com/AayushSabharwal/SciMLBase.jl", rev="as/fix-jet-opt"}
 
 
 [compat]