dev-R/*: remove AR export no more needed

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-R/hunspell/hunspell-3.0.1.ebuild

@@ -3,7 +3,7 @@
 
 EAPI=7
 
-inherit R-packages toolchain-funcs
+inherit R-packages
 
 DESCRIPTION='High-Performance Stemmer, Tokenizer and Spell Checker'
 KEYWORDS="~amd64"
@@ -20,7 +20,3 @@ RDEPEND="
 "
 
 #bundling status: https://github.com/ropensci/hunspell/issues/34
-src_prepare() {
-	tc-export AR
-	R-packages_src_prepare
-}