Revert "Bug 526545 - Update JDT core compiler and apt compiler to use Photon M3 to produce M4"

This reverts commit 2c3d8b5ec54b6ec8ce61ab4fd0a3528dc623be2a.

Change-Id: I726721963702e106c8ab4ba1b7a2cc520b1e69e1
diff --git a/eclipse-platform-parent/pom.xml b/eclipse-platform-parent/pom.xml
index b30cbe9..1878adb 100644
--- a/eclipse-platform-parent/pom.xml
+++ b/eclipse-platform-parent/pom.xml
@@ -110,8 +110,8 @@
     <cbi-jdt-repo.url>https://repo.eclipse.org/content/repositories/eclipse-staging/</cbi-jdt-repo.url>
     <!-- jdt.core and jdt.compiler.apt should "match", come from same build, and be signed
       by same certificate. See bug 462783. -->
-    <cbi-jdt-version>3.14.0.v20171025-0549</cbi-jdt-version>
-    <cbi-jdt-apt-version>1.3.100.v20171004-1431</cbi-jdt-apt-version>
+    <cbi-jdt-version>3.14.0.v20170830-0152</cbi-jdt-version>
+    <cbi-jdt-apt-version>1.3.0.v20170502-0408</cbi-jdt-apt-version>
 
     <!--
       Production bundles are produced by ignoring the compiler warnings specified