Remove link to demo website (temporary) (microsoft#1047)

* Update README.MD

* Update index.md

* Update faq.md

README.MD

@@ -29,8 +29,6 @@ Presidio _(Origin from Latin praesidium ‘protection, garrison’)_ helps to en
 
 ### :question: [Frequently Asked Questions](docs/faq.md)
 
-### :thought_balloon: [Demo](https://aka.ms/presidio-demo)
-
 ### :flight_departure: [Examples](https://microsoft.github.io/presidio/samples/)
 
 ---

docs/faq.md

@@ -61,7 +61,6 @@ Based on our internal research, leveraging Presidio in parallel to 3rd party PII
 
 1. Check out the [installation docs](https://microsoft.github.io/presidio/installation/).
 2. Take a look at the [different samples](https://microsoft.github.io/presidio/samples/).
-3. Try the [demo website](https://aka.ms/presidio-demo).
 
 ### What are the main building blocks in Presidio?
 

docs/index.md

@@ -28,7 +28,7 @@ bitcoin wallets, US phone numbers, financial data and more.
 !!! warning "Warning"
     Presidio can help identify sensitive/PII data in un/structured text. However, because it is using automated detection mechanisms, there is no guarantee that Presidio will find all sensitive information. Consequently, additional systems and protections should be employed.
 
-## [Demo](https://aka.ms/presidio-demo) | [Frequently Asked Questions](faq.md)
+## [Frequently Asked Questions](faq.md)
 
 ## Presidio's modules