Remove Azure dpkg setup

Author: kiootic

linux/build/system/setup-dpkg.sh

@@ -1,9 +1,6 @@
 #!/usr/bin/bash
 set -euxo pipefail
 
-sed -i 's/http:\/\/archive\.ubuntu\.com\/ubuntu\//http:\/\/azure\.archive\.ubuntu\.com\/ubuntu\//g' /etc/apt/sources.list
-sed -i 's/http:\/\/[a-z][a-z]\.archive\.ubuntu\.com\/ubuntu\//http:\/\/azure\.archive\.ubuntu\.com\/ubuntu\//g' /etc/apt/sources.list
-
 echo "APT::Acquire::Retries \"10\";" > /etc/apt/apt.conf.d/80retries
 echo "APT::Get::Assume-Yes \"true\";" > /etc/apt/apt.conf.d/90assumeyes
 echo "APT::Get::Never-Include-Phased-Updates \"1\";" > /etc/apt/apt.conf.d/99phased-updates
@@ -31,12 +28,6 @@ apt-fast install --no-install-recommends \
   ca-certificates \
   software-properties-common
 
-curl -O "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb"
-dpkg -i packages-microsoft-prod.deb
-curl -L https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
-curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg
-mv microsoft.gpg /etc/apt/trusted.gpg.d/microsoft.gpg
-
 add-apt-repository universe
 
 apt-fast update