Fix browserify output
Fix browserify output

With both the path in files and the one in require the exact same (after fix of case sensitivity),
browserify was publishing the vfs as pdfmake! Removing "files" option altogether seems to
create the correct browserify output without that problem.

TW-QEN/pdfmake,Novlr/pdfmake,bavellone/pdfmake,mdoelker/pdfmake,ILUMY/pdfmake,naoa/pdfmake,compact/pdfmake,mubassirhayat/pdfmake,mdoelker/pdfmake,TW-QEN/pdfmake,wbswbs/pdfmake,tanem/pdfmake,wbswbs/pdfmake,Intia/pdfmake,atsuyim/pdfmake,jodeng110/udpcloud-pdfmake,jodeng110/udpcloud-pdfmake,Intia/pdfmake,dennisrjohn/pdfmake,jiusanzhou/pdfmake,Nishi-Inc/pdfmake,mweslander/pdfmake,bavellone/pdfmake,mweslander/pdfmake,mubassirhayat/pdfmake,naoa/pdfmake,jiusanzhou/pdfmake,Nishi-Inc/pdfmake,Novlr/pdfmake,compact/pdfmake,pfarnach/pdfmake,ILUMY/pdfmake,pfarnach/pdfmake,atsuyim/pdfmake,dennisrjohn/pdfmake,tanem/pdfmake