Remove submodule
Squashed 'vendor/jnicol/standalone-phpenkoder/' content from commit b1dcdb9

git-subtree-dir: vendor/jnicol/standalone-phpenkoder
git-subtree-split: b1dcdb97587615c09158356727e6974eb31a2492
Merge commit '774dbc2f2aea278728994b4ece2ed739bf874be8' as 'vendor/jnicol/standalone-phpenkoder'
Update README.md