move tmpfs instructions to hetzner-robot

tmpfs and swap are correctly setup on ganeti and hetzner cloud, so we
don't need them in the common trunk.

tsa/howto/new-machine-hetzner-robot.mdwn

@@ -88,7 +88,16 @@ which we'll use below.
 
             setup-storage -f "disk_config/gnt-fsn" -X
 
-    TODO: include the `tmpfs` in the above config.
+    TODO: include the `tmpfs` in the above config. For now, try:
+
+        grep -q tmpfs /etc/fstab || echo 'tmpfs /tmp tmpfs defaults 0 0' >> /etc/fstab
+
+        ! grep -q swap /etc/fstab && \
+        dd if=/dev/zero bs=1024k count=1024 of=/swapfile && \
+        chmod 0 /swapfile && \
+        mkswap /swapfile && \
+        echo '/swapfile none swap sw 0 0' >> /etc/fstab && \
+        swapon -a
 
     TODO: convert the other existing `tor-install-format-disks-4HDDs`
     script into a `setup-storage` configuration.

tsa/howto/new-machine.mdwn

@@ -70,17 +70,6 @@ All commands to be run as root unless otherwise noted.
 
  3. set new root password, and document it
 
- 4. swap and tmp
-
-        grep -q tmpfs /etc/fstab || echo 'tmpfs /tmp tmpfs defaults 0 0' >> /etc/fstab
-
-        ! grep -q swap /etc/fstab && \
-        dd if=/dev/zero bs=1024k count=1024 of=/swapfile && \
-        chmod 0 /swapfile && \
-        mkswap /swapfile && \
-        echo '/swapfile none swap sw 0 0' >> /etc/fstab && \
-        swapon -a
-
   5. add to ldap on `alberti` using:
 
         ldapvi -ZZ --encoding=ASCII --ldap-conf -h db.torproject.org -D "uid=$USER,ou=users,dc=torproject,dc=org"