Simplified preview element selection and removal im File form field
Simplified preview element selection and removal im File form field

- Removed unnecessary test of preview.length

mariansollmann/CM,tomaszdurka/CM,njam/CM,mariansollmann/CM,alexispeter/CM,njam/CM,tomaszdurka/CM,vogdb/cm,njam/CM,fauvel/CM,fvovan/CM,fvovan/CM,cargomedia/CM,cargomedia/CM,tomaszdurka/CM,mariansollmann/CM,fauvel/CM,zazabe/cm,alexispeter/CM,zazabe/cm,fauvel/CM,christopheschwyzer/CM,njam/CM,vogdb/cm,vogdb/cm,vogdb/cm,fvovan/CM,cargomedia/CM,fauvel/CM,christopheschwyzer/CM,tomaszdurka/CM,fauvel/CM,alexispeter/CM,njam/CM,vogdb/cm,cargomedia/CM,christopheschwyzer/CM,christopheschwyzer/CM,mariansollmann/CM,tomaszdurka/CM,zazabe/cm,zazabe/cm,alexispeter/CM,fvovan/CM