Fix signature for 64-bit delegate profiling helper

I missed updating the signature of the 64-bit variant here when the
vtable and delegate profiling helpers were originally split up.

Fix dotnet#74295

src/coreclr/vm/jithelpers.cpp

@@ -5571,7 +5571,7 @@ HCIMPL2(void, JIT_DelegateProfile32, Object *obj, ICorJitInfo::HandleHistogram32
 HCIMPLEND
 
 // Version of helper above used when the count is 64-bit
-HCIMPL3(void, JIT_DelegateProfile64, Object *obj, CORINFO_METHOD_HANDLE baseMethod, ICorJitInfo::HandleHistogram64* methodProfile)
+HCIMPL2(void, JIT_DelegateProfile64, Object *obj, ICorJitInfo::HandleHistogram64* methodProfile)
 {
     FCALL_CONTRACT;
     FC_GC_POLL_NOT_NEEDED();