Remove obsolete trace_wasm_text_{start,end} flags

R=titzer@chromium.org
NOTRY=true

Change-Id: Ib1957f83010acd7603fbdf36780be80cf3f514c5
Reviewed-on: https://chromium-review.googlesource.com/452298Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43769}

src/compiler/wasm-compiler.cc

@@ -4099,13 +4099,6 @@ SourcePositionTable* WasmCompilationUnit::BuildGraphForWasmFunction(
       func_index_ < FLAG_trace_wasm_ast_end) {
     PrintRawWasmCode(isolate_->allocator(), func_body_, module_env_->module);
   }
-  // TODO(clemens): Remove the trace_wasm_text_start flag.
-  // if (func_index_ >= FLAG_trace_wasm_text_start && func_index_ <
-  // FLAG_trace_wasm_text_end) {
-  //  OFStream os(stdout);
-  //  PrintWasmText(module_env_.module, module_env_->wire_bytes,
-  //                function_->func_index, os, nullptr);
-  //}
   if (FLAG_trace_wasm_decode_time) {
     *decode_ms = decode_timer.Elapsed().InMillisecondsF();
   }

src/flag-definitions.h

@@ -544,10 +544,6 @@ DEFINE_BOOL(trace_wasm_interpreter, false, "trace interpretation of wasm code")
 DEFINE_INT(trace_wasm_ast_start, 0,
            "start function for WASM AST trace (inclusive)")
 DEFINE_INT(trace_wasm_ast_end, 0, "end function for WASM AST trace (exclusive)")
-DEFINE_INT(trace_wasm_text_start, 0,
-           "start function for WASM text generation (inclusive)")
-DEFINE_INT(trace_wasm_text_end, 0,
-           "end function for WASM text generation (exclusive)")
 DEFINE_UINT(skip_compiling_wasm_funcs, 0, "start compiling at function N")
 DEFINE_BOOL(wasm_break_on_decoder_error, false,
             "debug break when wasm decoder encounters an error")