[wasm] Remove single function JIT support.

src/wasm/module-decoder.cc

Index: src/wasm/module-decoder.cc
diff --git a/src/wasm/module-decoder.cc b/src/wasm/module-decoder.cc
index 846da49bdb822a66eff15c9322b8226135e41a2b..542c47ca159c9836726ed92bf1b3f62e4bd5b9b0 100644
--- a/src/wasm/module-decoder.cc
+++ b/src/wasm/module-decoder.cc
@@ -507,10 +507,9 @@ class ModuleDecoder : public Decoder {
   void DecodeFunctionTableInModule(WasmModule* module,
                                    WasmIndirectFunctionTable* table) {
     table->size = consume_u32v("function table entry count");
-    table->max_size = FLAG_wasm_jit_prototype ? consume_u32v() : table->size;
+    table->max_size = table->size;
 
-    if ((!FLAG_wasm_jit_prototype && table->max_size != table->size) ||
-        (FLAG_wasm_jit_prototype && table->max_size < table->size)) {
+    if (table->max_size != table->size) {
       error("invalid table maximum size");
     }