[releng] Update to released URL for CDT 9.10

Change-Id: I4667be1803ff140f3ff00511d765970334a8ef48
Signed-off-by: Jonah Graham <jonah@kichwacoders.com>
diff --git a/releng/org.eclipse.ptp.target/photon.target b/releng/org.eclipse.ptp.target/photon.target
index 68e3205..b91fda0 100644
--- a/releng/org.eclipse.ptp.target/photon.target
+++ b/releng/org.eclipse.ptp.target/photon.target
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?><?pde version="3.8"?><target name="ptp-photon" sequenceNumber="19">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><?pde version="3.8"?><target name="ptp-photon" sequenceNumber="20">
 <locations>
 	<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 		<unit id="com.google.gson" version="2.7.0.v20170129-0911"/>
@@ -32,7 +32,7 @@
 	<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 		<unit id="org.eclipse.cdt.core.parser.upc.sdk.feature.group" version="0.0.0"/>
 		<unit id="org.eclipse.cdt.sdk.feature.group" version="0.0.0"/>
-		<repository location="https://download.eclipse.org/tools/cdt/builds/9.10/cdt-9.10.0-simrel-2019-12-rc2/"/>
+		<repository location="https://download.eclipse.org/tools/cdt/releases/9.10/"/>
 	</location>
 	<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 		<unit id="org.eclipse.egit.feature.group" version="0.0.0"/>