Remove constraints unnecessary since buster

* Build-Depends: Drop versioned constraint on ruby-activemodel.
* ruby-rails-observers: Drop versioned constraint on ruby-activemodel in Depends.

Changes-By: deb-scrub-obsolete

debian/changelog

@@ -8,6 +8,10 @@ ruby-rails-observers (0.1.5-2) UNRELEASED; urgency=medium
   * Set debhelper-compat version in Build-Depends.
   * Set upstream metadata fields: Bug-Database, Bug-Submit, Repository,
     Repository-Browse.
+  * Remove constraints unnecessary since buster:
+    + Build-Depends: Drop versioned constraint on ruby-activemodel.
+    + ruby-rails-observers: Drop versioned constraint on ruby-activemodel in
+      Depends.
 
  -- Utkarsh Gupta <guptautkarsh2102@gmail.com>  Tue, 13 Aug 2019 06:59:25 +0530
 

debian/control

@@ -5,7 +5,7 @@ Maintainer: Debian Ruby Team <pkg-ruby-extras-maintainers@lists.alioth.debian.or
 Uploaders: Lucas Kanashiro <lucas.kanashiro@collabora.co.uk>
 Build-Depends: debhelper-compat (= 12),
                gem2deb,
-               ruby-activemodel (>= 4.0)
+               ruby-activemodel
 Standards-Version: 4.2.1
 Vcs-Git: https://salsa.debian.org/ruby-team/ruby-rails-observers.git
 Vcs-Browser: https://salsa.debian.org/ruby-team/ruby-rails-observers
@@ -17,7 +17,7 @@ Package: ruby-rails-observers
 Architecture: all
 XB-Ruby-Versions: ${ruby:Versions}
 Depends: ruby | ruby-interpreter,
-         ruby-activemodel (>= 4.0),
+         ruby-activemodel,
          ${misc:Depends},
          ${shlibs:Depends}
 Description: toolkit to build Rails observers (part of Rails)