update: toc

Author: arvindbr8

README.md

@@ -22,7 +22,6 @@ Here is a list of available codelabs in this repository:
 - [Getting Started with gRPC-Go (Streaming)](codelabs/Getting_Started_with_gRPC_Go_Streaming)
 - [Getting Started with gRPC-Java](codelabs/Getting_Started_with_gRPC_Java)
 - [Getting Started with gRPC-Java (Streaming)](codelabs/Getting_Started_with_gRPC_Java_Streaming)
-=======
 - [Setup Basic gRPC OpenTelemetry Plugin in gRPC C++](codelabs/Setup_Basic_gRPC_OpenTelemetry_Plugin_in_gRPC_CPP)
 - [Setup Basic gRPC OpenTelemetry Plugin in gRPC-Python](codelabs/Setup_Basic_gRPC_OpenTelemetry_Plugin_in_gRPC_Python)
 - [Setup Basic gRPC OpenTelemetry Plugin in gRPC-Go](codelabs/Setup_Basic_OpenTelemetry_Plugin_In_gRPC_Go/)