compiler.cc: Remove a comment which is no longer true.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index a012d815ca585a86abd539a28fb7beb6241f1cf0..5967a446291fc3988b07b95b7ebed6a251c7ffc9 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -956,14 +956,7 @@ Handle<SharedFunctionInfo> Compiler::CompileScript(
   }
 
   if (result.is_null()) {
-    // No cache entry found. Do pre-parsing, if it makes sense, and compile
-    // the script.
-    // Building preparse data that is only used immediately after is only a
-    // saving if we might skip building the AST for lazily compiled functions.
-    // I.e., preparse data isn't relevant when the lazy flag is off, and
-    // for small sources, odds are that there aren't many functions
-    // that would be compiled lazily anyway, so we skip the preparse step
-    // in that case too.
+    // No cache entry found. Compile the script.
 
     // Create a script object describing the script to be compiled.
     Handle<Script> script = isolate->factory()->NewScript(source);