pkgbuild: remove pkg ceph-mgr-bin

This has been a stub package since v18.2.0, which released ~6 months
ago, this should be enough time to null the package.

.SRCINFO

@@ -182,7 +182,3 @@ pkgname = ceph-libs-bin
 	depends = python-yaml
 	provides = ceph-libs
 	conflicts = ceph-libs
-
-pkgname = ceph-mgr-bin
-	depends = ceph-bin>=18.2.0
-	conflicts = ceph-mgr

PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Paul Stemmet <aur@luxolus.com>
 
 pkgbase='ceph-bin'
-pkgname=('ceph-bin' 'ceph-libs-bin' 'ceph-mgr-bin')
+pkgname=('ceph-bin' 'ceph-libs-bin')
 pkgver=18.2.0
 pkgrel=2
 pkgdesc='Distributed, fault-tolerant storage platform delivering object, block, and file system'
@@ -128,11 +128,4 @@ package_ceph-bin() {
   done
 }
 
-package_ceph-mgr-bin() {
-  depends=(
-    "ceph-bin>=18.2.0"
-  )
-  conflicts=('ceph-mgr')
-}
-
 # vim:set ts=2 sw=2 et: