Remove descriptions of files in this repository

Author: chbrown

README.md

@@ -7,13 +7,6 @@ The S&P BibLaTeX system (`biblatex-sp-unified.bbx` and `sp-authoryear-comp.cbx`)
 
 Installation instructions are available at [info.semprag.org/install](http://info.semprag.org/install).
 
-* [`sp.cls`](sp.cls): The canonical, latest version of the main S&P document class.
-* [`gb4e-emulate.sty`](gb4e-emulate.sty): For S&P-style rendering of examples using `gb4e` syntax. We encourage the use of `expex` for examples; `gb4e-emulate.sty` is only provided to typeset papers where the author chose to use `gb4e`.
-* [`sp-logo.pdf`](sp-logo.pdf): the S&P logo
-* [`sp-hyperxmp.sty`](sp-hyperxmp.sty): a package to add metadata to the PDFs produced
-
-The logo file and sp-hyperxmp.sty are only needed for the final typeset, when the S&P production team is ready to publish a paper. Authors do not need these files.
-
 
 ## License