Remove outdated warning about SSD capabilities

This is a problem from earlier times. :)
7 jobs for remove-readme-ssd-note in 25 seconds (queued for 14 minutes and 49 seconds)
Status Name Job ID Coverage
  Lint
passed flake8 #2086

00:00:23

passed shellcheck #2083

00:00:24

passed shfmt #2084

00:00:12

passed validate-packer #2087

00:00:24

passed yapf #2085

00:00:14

 
  Build
canceled build:qemu #2088
secure-kvm

canceled build:virtualbox #2089
secure-virtualbox