remove frontiers_article (not passing tests on windows)

Author: jjallaire

DESCRIPTION

@@ -8,7 +8,6 @@ Authors@R: c(
  person("Hadley", "Wickham", role = "aut", email = "hadley@rstudio.com"),
  person("Yihui", "Xie", role = "aut", email = "yihui@rstudio.com"),
  person(family = "RStudio", role = "cph"),
- person("Zhian", "Kamvar", role = c("aut", "cph"), email="kamvarz@science.oregonstate.edu"),
  person("Carl", "Boettiger", role = c("aut", "cph"), email = "cboettig@gmail.com"),
  person("Simon", "Garnier", role = c("aut", "cph"), email = "simon.j.garnier@njit.edu"),
  person("Karl", "Broman", role = c("aut", "cph"), email = "kbroman@gmail.com"),

NAMESPACE

@@ -4,7 +4,6 @@ export(acm_article)
 export(ctex)
 export(ctex_template)
 export(elsevier_article)
-export(frontiers_article)
 export(jss_article)
 export(plos_article)
 export(rjournal_article)