Remove "AzureIoTProtocol_HTTP"

Author: per1234

registry.txt

@@ -110,7 +110,6 @@ https://github.com/arduinoverkstad/EducationShield.git|Contributed|EducationShie
 
 # Microsoft
 https://github.com/ms-iot/virtual-shields-arduino.git|Partner|Windows Virtual Shields for Arduino
-https://github.com/Azure/azure-iot-arduino-protocol-http.git|Partner|AzureIoTProtocol_HTTP
 
 # Temboo
 https://github.com/arduino-libraries/Temboo.git|Arduino|Temboo