comment out choose file button which doesn't yet work
comment out choose file button which doesn't yet work

citation-style-editor/csl-editor,citation-style-editor/csl-editor,adam3smith/csl-editor,citation-style-language/csl-editor,adam3smith/csl-editor,fbennett/csl-editor,citation-style-editor/csl-editor,fbennett/csl-editor,adam3smith/csl-editor,citation-style-language/csl-editor,citation-style-language/csl-editor