Remove block around initialize code

* In strict mode code, functions can only be declared at top level or
   immediately within another function.  This means functions defined in
   the initializer would throw.

lib/compiler/passes/generate-javascript.js

@@ -1147,7 +1147,7 @@ function generateJavascript(ast, options) {
   }
 
   if (ast.initializer) {
-    parts.push(indent4("{" + ast.initializer.code + "}"));
+    parts.push(indent4(ast.initializer.code));
     parts.push('');
   }
 

lib/parser.js

@@ -4893,7 +4893,7 @@ module.exports = (function() {
       return s0;
     }
 
-    {
+
       var OPS_TO_PREFIXED_TYPES = {
         "$": "text",
         "&": "simple_and",
@@ -4940,7 +4940,7 @@ module.exports = (function() {
       function buildList(first, rest, index) {
         return [first].concat(extractList(rest, index));
       }
-    }
+
 
     peg$result = peg$startRuleFunction();