build: remove libsysprof

This library is going away now that we have -analyze and -profile libs.

src/sysprof-agent/org.gnome.Sysprof.Agent.xml

@@ -0,0 +1,36 @@
+<!DOCTYPE node PUBLIC
+        "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
+        "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd" >
+<node xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
+  <!--
+    Copyright 2022 Christian Hergert <chergert@redhat.com>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+    SPDX-License-Identifier: GPL-3.0-or-later
+  -->
+  <interface name="org.gnome.Sysprof.Agent">
+    <method name="ForceExit"/>
+    <method name="SendSignal">
+      <arg name="signum" direction="in" type="i">
+        <doc:doc><doc:summary>The signal number to deliver.</doc:summary></doc:doc>
+      </arg>
+    </method>
+    <signal name="Log">
+      <arg name="message" direction="in" type="s">
+        <doc:doc><doc:summary>The log message to be displayed.</doc:summary></doc:doc>
+      </arg>
+    </signal>
+  </interface>
+</node>