repo: upgrade to 2.15

BUG=None
TEST=CQ passes

Change-Id: Ida672094c2e620c8c140df602c232ddea3df1114
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2903767
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Stephane Belmon <sbelmon@google.com>
diff --git a/dev-vcs/repo/Manifest b/dev-vcs/repo/Manifest
index eee1406..de665c0 100644
--- a/dev-vcs/repo/Manifest
+++ b/dev-vcs/repo/Manifest
@@ -1,2 +1,2 @@
-DIST repo-2.12 43035 BLAKE2B 3a3b1997a09f08093aa2d5cf6c7a3747d6a9a6c29e6c199574757d4d87fdd57b7cc8b18bb1ddfa7c47392f73a22211f996f6ba8175448162e305106c9ac6cafe SHA512 409525040ec8fe6c6a6d923c4e23ab93f5ccc62d01d310ad6b56d55f45d88c2bf469e9b46943e799b8d5238cbc0a9610d0f64f35cf0f3a68b79cbd8c92f044a3
+DIST repo-2.15 44704 BLAKE2B 6d90cecb4d748f7fb3febec95e16ed1638112a945aa36f7d7cc12232cdf4bcd66d286aa1054fd23de5ae7e896ac52c05465778aaec759e5d0251227deb220d18 SHA512 e6aad90f6058f4e5750ce44f8951ac4df39dd39c1615d7f68670a0b8ac5007f52e3bb6219d6ca0842908ef6c87843c6fd655b3b2a47fcf410e2a74d47a334d34
 DIST repo-511a0e54f5801a3f36c00fac478a596d83867d10-bash-completion.sh.base64 4280 BLAKE2B 6c369d36176d5bd4d3f4ed4df39bbd6542022dd186375bd05a978889c574819e3328d19c7dac2982233614786078f73bfd1f0c80aa7c0c6c79bdfab776ed6e39 SHA512 f484bee79c3724a6daf8a69b3df80feef3c6aaad3bfb49443caabc52735dd7f3b0fcb3ad4b7480bc020c9b4cac2f3b044693ef761df6fc9d34e854289baf1f3d
diff --git a/dev-vcs/repo/repo-2.12-r1.ebuild b/dev-vcs/repo/repo-2.15.ebuild
similarity index 100%
rename from dev-vcs/repo/repo-2.12-r1.ebuild
rename to dev-vcs/repo/repo-2.15.ebuild