refactor: remove SymbolicUtils extension

Author: AayushSabharwal

Project.toml

@@ -3,24 +3,11 @@ uuid = "2efcf032-c050-4f8e-a9bb-153293bab1f5"
 authors = ["Aayush Sabharwal <[email protected]> and contributors"]
 version = "0.3.0"
 
-[deps]
-Requires = "ae029012-a4dd-5104-9daa-d747884805df"
-
-[weakdeps]
-SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
-
-[extensions]
-SymbolicIndexingInterfaceSymbolicUtilsExt = "SymbolicUtils"
-
 [compat]
-Requires = "1.0"
-SymbolicUtils = "1.4"
 julia = "1"
 
 [extras]
-SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
-Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["SymbolicUtils", "Symbolics","Test"]
+test = ["Test"]

ext/SymbolicIndexingInterfaceSymbolicUtilsExt.jl

@@ -1,7 +1,5 @@
 module SymbolicIndexingInterface
 
-using Requires
-
 export ScalarSymbolic, ArraySymbolic, NotSymbolic, symbolic_type, hasname, getname
 include("trait.jl")
 
@@ -16,10 +14,4 @@ include("symbol_cache.jl")
 export parameter_values, getp, setp
 include("parameter_indexing.jl")
 
-@static if !isdefined(Base, :get_extension)
-    function __init__()
-        @require SymbolicUtils="d1185830-fcd6-423d-90d6-eec64667417b" include("../ext/SymbolicIndexingInterfaceSymbolicUtilsExt.jl")
-    end
-end
-
 end