Simpllify READMEs

[r3stl355]

Probably being ignorant and blunt here.

Is there a point in maintaining all that docs info withing <!-- BEGIN_TF_DOCS -->? Not that those will make into any long-term documentation. Are there any docs for these examples anyone cares about? However, maintaining those requires effort.

Also, having ## How to fill in variable values for each template? Should it be just assumed that the user knows to fill variable values?

I maybe missing a point here but I never read those so is it worth maintaining?