Update README.md

Updating README

Author: perrysk-msft

samples/features/t-sql-snapshot-backup/README.md

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 ### Contents
 
 [About this sample](#about-this-sample)<br/>
-[Before you begin](#before-you-begin)<br/>
-[Run this sample](#run-this-sample)<br/>
-[Sample details](#sample-details)<br/>
 [Disclaimers](#disclaimers)<br/>
-[Related links](#related-links)<br/>
 
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 3. **Programming Language:** PowerShell. T-SQL
 5. **Authors:** Perry Skountrianos [perryskou-msft]
 
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-## Before you begin
-Coming soon...
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-## Run this sample
-Coming soon...
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 <a name=disclaimers></a>
 
 ## Disclaimers
 The code included in this sample is not intended to be a set of best practices on how to build scalable enterprise grade applications. This is beyond the scope of this quick start sample.
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