Fix container-runtimes.md repos Debian/Ubuntu

Updating the syntax on redirection to repo files in Ubuntu as in Debian documentation, since the syntax requires privileges to perform the redirection, removing double quotes from apt Sources files, to avoid issues with apt while reading source packages.

Author: userravs

content/en/docs/setup/production-environment/container-runtimes.md

@@ -235,10 +235,10 @@ To install version 1.18.3, set `VERSION=1.18:1.18.3`.
 Then run
 ```shell
 cat <<EOF | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
-"deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/ /"
+deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/ /
 EOF
 cat <<EOF | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable:cri-o:$VERSION.list
-"deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/$VERSION/$OS/ /"
+deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/$VERSION/$OS/ /
 EOF
 
 curl -L https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable:cri-o:$VERSION/$OS/Release.key | sudo apt-key add -
@@ -270,8 +270,12 @@ To install version 1.18.3, set `VERSION=1.18:1.18.3`.
 
 Then run
 ```shell
-sudo echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/ /" > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
-sudo echo "deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/$VERSION/$OS/ /" > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable:cri-o:$VERSION.list
+cat <<EOF | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
+deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/ /
+EOF
+cat <<EOF | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable:cri-o:$VERSION.list
+deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/$VERSION/$OS/ /
+EOF
 
 curl -L https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable:cri-o:$VERSION/$OS/Release.key | sudo apt-key add -
 curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$OS/Release.key | sudo apt-key add -