Debian: fix warning about undefined substitution variables
Debian: fix warning about undefined substitution variables

warning: Depends field of package vyos-1x: substitution variable
  ${shlibs:Depends} used, but is not defined
warning: Depends field of package vyos-1x-vmware: substitution variable
  ${shlibs:Depends} used, but is not defined

Remove variables from dependency list as we have explicit non architecture
dependend dependencies.

vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x