Update docs for 1.0.0 (#97)

Author: csvance

docs/src/index.md

@@ -32,9 +32,6 @@ go build -o grpc_test_server
 ```
 
 ### Code Generation
-Code generation support has been up-streamed but a new version has not yet been released. In order to make code generation work, you need to add ProtoBuf.jl from git.
-
-`pkg> add https://github.com/JuliaIO/ProtoBuf.jl.git`
 
 gRPCClient.jl integrates with ProtoBuf.jl to automatically generate Julia client stubs for calling gRPC.