meta-viewport: remove delayed refresh from example

[WilcoFiers]

There is definitely no reason why this inapplicable example should have a delayed redirect in it.

Need for Final Call: 1 week

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[patrickhlauke]

could even just replace that redirect meta with something like <meta charset="UTF-8"> if the idea is to show an inapplicable case where there is a meta, but not a viewport one. refresh starts to conjure up unrelated thoughts of "but does this fail some other SC like timing or pause/stop/hide or similar?")

[colabottles]

I've not seen this "in the wild" or implemented as such for a very, very long time. Is it still even being used? I imagine it is on legacy sites or sites that are not maintained. I think a charset="UTF-8" is sufficient.