remove extra % in widget template roxygen

Author: timelyportfolio

inst/templates/widget_r.txt

@@ -39,7 +39,7 @@ widget_html.${name} <- function(id, style, class, ...) {
 #' applications and interactive Rmd documents.
 #'
 #' @param outputId output variable to read from
-#' @param width,height Must be a valid CSS unit (like \code{'100\%%'},
+#' @param width,height Must be a valid CSS unit (like \code{'100\%'},
 #'   \code{'400px'}, \code{'auto'}) or a number, which will be coerced to a
 #'   string and have \code{'px'} appended.
 #' @param expr An expression that generates a ${name}