Remove work-around fix for having a large number of parts

Issue #46

Author: kevmoo

lib/src/utils.dart

@@ -95,10 +95,7 @@ Future<AnalysisContext> getAnalysisContextForProjectPath(
 
   AnalysisEngine.instance.processRequiredPlugins();
 
-  // TODO: Remove this once dartbug.com/23017 is fixed
-  // See source_gen bug https://github.com/dart-lang/source_gen/issues/46
   var options = new AnalysisOptionsImpl()
-    ..cacheSize = 256
     ..analyzeFunctionBodies = false;
 
   var context = AnalysisEngine.instance.createAnalysisContext()