code-server-powershell update/add workflows

root/etc/cont-init.d/95-apt-get

@@ -1,3 +0,0 @@
-#!/usr/bin/with-contenv bash
-
-apt-get update

root/etc/cont-init.d/98-powershell

@@ -1,25 +0,0 @@
-#!/usr/bin/with-contenv bash
-
-ARCH=$(uname -m)
-source /etc/lsb-release
-
-if [ -f "/powershell/powershell_${ARCH}.tar.gz" ]; then
-    echo "Installing PowerShell"
-    if [ "${DISTRIB_CODENAME}" == "bionic" ]; then
-        apt-get install -y \
-            libicu60 \
-            libunwind8
-    elif [ "${DISTRIB_CODENAME}" == "focal" ]; then
-        apt-get install -y \
-            libicu66 \
-            libunwind8
-    fi
-    tar xf "/powershell/powershell_${ARCH}.tar.gz" -C /powershell
-    rm -rf \
-        /powershell/powershell_x86_64.tar.gz \
-        /powershell/powershell_armv7l.tar.gz \
-        /powershell/powershell_aarch64.tar.gz
-    ln -s /powershell/pwsh /usr/bin/pwsh
-else
-    echo "PowerShell already installed, skipping"
-fi