Remove vestigial plovrConfigAI3.js
Remove vestigial plovrConfigAI3.js

Change-Id: I931be1eb40f800d168aeb3b110f9a872b4e0385f

josmas/app-inventor,ewpatton/appinventor-sources,puravidaapps/appinventor-sources,josmas/app-inventor,jisqyv/appinventor-sources,ewpatton/appinventor-sources,mit-dig/punya,josmas/app-inventor,ewpatton/appinventor-sources,jisqyv/appinventor-sources,mit-cml/appinventor-sources,josmas/app-inventor,mit-cml/appinventor-sources,mit-cml/appinventor-sources,mit-dig/punya,mit-dig/punya,jisqyv/appinventor-sources,ewpatton/appinventor-sources,puravidaapps/appinventor-sources,mit-cml/appinventor-sources,mit-cml/appinventor-sources,mit-dig/punya,mit-dig/punya,jisqyv/appinventor-sources,jisqyv/appinventor-sources,josmas/app-inventor,puravidaapps/appinventor-sources,mit-dig/punya,josmas/app-inventor,mit-dig/punya,puravidaapps/appinventor-sources,ewpatton/appinventor-sources,ewpatton/appinventor-sources,mit-cml/appinventor-sources,puravidaapps/appinventor-sources,jisqyv/appinventor-sources