[interpreter] Deprecate --ignition-fallback-on-catch flag.

test/cctest/interpreter/test-bytecode-generator.cc

Index: test/cctest/interpreter/test-bytecode-generator.cc
diff --git a/test/cctest/interpreter/test-bytecode-generator.cc b/test/cctest/interpreter/test-bytecode-generator.cc
index b2cac6c226f25336f2df841c543e27e61b73f293..124f12508c64a951382604da53b4c28018e4068a 100644
--- a/test/cctest/interpreter/test-bytecode-generator.cc
+++ b/test/cctest/interpreter/test-bytecode-generator.cc
@@ -24,7 +24,6 @@ class BytecodeGeneratorHelper {
 
   BytecodeGeneratorHelper() {
     i::FLAG_ignition = true;
-    i::FLAG_ignition_fallback_on_catch = false;
     i::FLAG_ignition_filter = StrDup(kFunctionName);
     i::FLAG_always_opt = false;
     i::FLAG_allow_natives_syntax = true;