Update src/legacy.jl

Co-authored-by: Christopher Rackauckas <[email protected]>

Author: Vaibhavdixit02

src/legacy.jl

@@ -12,7 +12,7 @@
 @deprecate AutoSparseZygote() AutoSparse(AutoZygote())
 
 function AutoModelingToolkit(sparse = false, cons_sparse = false; kwargs...)
-    @warn "AutoModelingToolkit(args...) is deprecated, use AutoSymbolics() or AutoSparse(AutoSymbolics()) instead."
+    @warn "AutoModelingToolkit(args...) is deprecated, use AutoSymbolics() or AutoSparse(AutoSymbolics()) instead."  maxlog=1
     if sparse || cons_sparse
         return AutoSparse(AutoSymbolics())
     else