Revert "Add graph intrinsics for many math library functions"

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
diff --git a/runtime/vm/intermediate_language.cc b/runtime/vm/intermediate_language.cc
index 59cb8ab3e5827940d860dd5b0e9d4ed02c90e3be..4b55595497f74571cdda9cbfa602b4d23439f11c 100644
--- a/runtime/vm/intermediate_language.cc
+++ b/runtime/vm/intermediate_language.cc
@@ -3550,8 +3550,6 @@ intptr_t InvokeMathCFunctionInstr::ArgumentCountFor(
     case MethodRecognizer::kMathTan:
     case MethodRecognizer::kMathAcos:
     case MethodRecognizer::kMathAsin:
-    case MethodRecognizer::kMathSin:
-    case MethodRecognizer::kMathCos:
       return 1;
     case MethodRecognizer::kDoubleMod:
     case MethodRecognizer::kMathDoublePow:
@@ -3638,10 +3636,6 @@ const RuntimeEntry& InvokeMathCFunctionInstr::TargetFunction() const {
       return kLibcTanRuntimeEntry;
     case MethodRecognizer::kMathAsin:
       return kLibcAsinRuntimeEntry;
-    case MethodRecognizer::kMathSin:
-      return kLibcSinRuntimeEntry;
-    case MethodRecognizer::kMathCos:
-      return kLibcCosRuntimeEntry;
     case MethodRecognizer::kMathAcos:
       return kLibcAcosRuntimeEntry;
     case MethodRecognizer::kMathAtan: