test: Move DeployCiliumAndDNS to Context in Services.go
test: Move DeployCiliumAndDNS to Context in Services.go

There is no need to install Cilium and friends in the top-level
BeforeAll, as each Context is already installing it.

Also, this should reduce time required to run a particular Context/It,
as it eliminates one installation.

Signed-off-by: Martynas Pumputis <6b0d31c0d563223024da45691584643ac78c96e8@lambda.lt>

cilium/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium