Remove i686 from arch=()

FTR, commands used to change arch=() and then verify the changes:

$ sed -Ei "/^arch=/{s/ *?['\"]?i686['\"]? *?//;s/ *$//}" */*/PKGBUILD*

$ grep -r i686 * | grep arch= | grep -v repos

$ svn diff | grep -A 1 ^-[^-] | grep -v -- -- | cut -c2- |
  while IFS=$'\n' read -r l1; IFS=$'\n' read -r l2; do
    echo "$l1 -> $l2"
  done | sort -u

1 files changed, 1 insertions, 1 deletions

diff --git a/PKGBUILD b/PKGBUILD
index a43a16936650..3aba10c26234 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,7 +4,7 @@ pkgname=ganv
 pkgver=1.4.2
 pkgrel=2
 pkgdesc="An interactive Gtkmm canvas widget for graph-based interfaces"
-arch=('i686' 'x86_64')
+arch=('x86_64')
 url="http://drobilla.net/software/$pkgname/"
 license=('GPL3')
 depends=('gtkmm' 'graphviz')