[wasm] Remove single function JIT support.

src/wasm/module-decoder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/wasm/module-decoder.h"
 
 #include "src/base/functional.h"
 #include "src/base/platform/platform.h"
 #include "src/macro-assembler.h"
 #include "src/objects.h"
@@ skipping 489 matching lines @@
       error(start, "segment out of bounds of memory");
     }
 
     consume_bytes(segment->source_size);
   }
 
   // Decodes a single function table inside a module starting at {pc_}.
   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");
     }
 
     for (uint32_t i = 0; i < table->size; ++i) {
       uint16_t index = consume_u32v();
       if (index >= module->functions.size()) {
         error(pc_ - sizeof(index), "invalid function index");
         break;
       }
       table->values.push_back(index);
@@ skipping 288 matching lines @@
     decoder.consume_bytes(size);
   }
   if (decoder.more()) decoder.error("unexpected additional bytes");
 
   return decoder.toResult(std::move(table));
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8