Update README.md

Author: p-vincen-t

README.md

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 # Android Promise Database [![](https://jitpack.io/v/android-promise/database.svg)](https://jitpack.io/#android-promise/database)
  Manage SqLite databases in android with ease
 
-# Table of Contents
-
-**[Sample Application](##Sample Application)**<br>
-***[Entity Classes](***Entity Classes)***<br>
-***[Database Class](###Database Class)***<br>
-***[TypeConverter Class](###TypeConverter Class)***<br>
-***[Entity Relations](###Entity Relations)***<br>
-***[Database Initialization](###Database Initialization)***<br>
-***[Migrations](###Migrations)***<br>
-**[Setup](##Setup)**<br>
-**[Initialization](##Initialization)**<br>
-**[Next Steps, Credits, Feedback, License](#next-steps)**<br>
-
 ## Sample Application
 ### Entity Classes
 Pojo classes to be persisted are annotated with @Entity