docs(aot): remove typescript instruction

Author: Foxandxss

public/docs/ts/latest/cookbook/aot-compiler.jade

@@ -89,7 +89,7 @@ a#compile
 :marked
   Install a few new npm dependencies with the following command: 
 code-example(format='.').
-  npm install @angular/compiler-cli @angular/platform-server typescript@2.0.2 --save
+  npm install @angular/compiler-cli @angular/platform-server --save
 :marked
   You will run the `ngc` compiler provided in the `@angular/compiler-cli` npm package
   instead of the TypeScript compiler (`tsc`).