[wasm] Remove single function JIT support.

src/wasm/wasm-opcodes.h

Index: src/wasm/wasm-opcodes.h
diff --git a/src/wasm/wasm-opcodes.h b/src/wasm/wasm-opcodes.h
index eb53342b455449d01e2c8e591e6b5a78c708d3ad..3830a1d3538c3a5ba0fc1d928ada425743c5a0c7 100644
--- a/src/wasm/wasm-opcodes.h
+++ b/src/wasm/wasm-opcodes.h
@@ -391,9 +391,6 @@ const WasmCodePosition kNoCodePosition = -1;
   V(S128Xor, 0xe578, s_ss)             \
   V(S128Not, 0xe579, s_s)
 
-// For enabling JIT functionality
-#define FOREACH_JIT_OPCODE(V) V(JITSingleFunction, 0xf0, _)
-
 // All opcodes.
 #define FOREACH_OPCODE(V)        \
   FOREACH_CONTROL_OPCODE(V)      \
@@ -404,8 +401,7 @@ const WasmCodePosition kNoCodePosition = -1;
   FOREACH_LOAD_MEM_OPCODE(V)     \
   FOREACH_MISC_MEM_OPCODE(V)     \
   FOREACH_ASMJS_COMPAT_OPCODE(V) \
-  FOREACH_SIMD_OPCODE(V)         \
-  FOREACH_JIT_OPCODE(V)
+  FOREACH_SIMD_OPCODE(V)
 
 // All signatures.
 #define FOREACH_SIGNATURE(V)         \