Revert "Bug 578002 - Eclipse 4.23 prerequisites: ECF"

This reverts commit 9d77df17a0066e62e4974885316325730a5ef343.

Reason for revert: Revert "Bug 578002 - Eclipse 4.23 prerequisites: ECF"

Change-Id: I3c54e66000906abfd524a59f982e5b3245e506b5
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.releng.aggregator/+/189022
Tested-by: Kit Lo <kitlo@us.ibm.com>
Reviewed-by: Kit Lo <kitlo@us.ibm.com>
diff --git a/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target b/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target
index 7bb4e11..c6fd4fd 100644
--- a/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target
+++ b/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target
@@ -211,11 +211,11 @@
       <unit id="org.eclipse.ecf.core.ssl.feature.source.feature.group" version="1.1.501.v20210409-2301"/>
       <unit id="org.eclipse.ecf.filetransfer.feature.feature.group" version="3.14.1800.v20210618-0642"/>
       <unit id="org.eclipse.ecf.filetransfer.feature.source.feature.group" version="3.14.1800.v20210618-0642"/>
-      <unit id="org.eclipse.ecf.filetransfer.httpclient5.feature.feature.group" version="1.1.100.v20211217-2012"/>
-      <unit id="org.eclipse.ecf.filetransfer.httpclient5.feature.source.feature.group" version="1.1.100.v20211217-2012"/>
+      <unit id="org.eclipse.ecf.filetransfer.httpclient5.feature.feature.group" version="1.0.0.v20210512-0614"/>
+      <unit id="org.eclipse.ecf.filetransfer.httpclient5.feature.source.feature.group" version="1.0.0.v20210512-0614"/>
       <unit id="org.eclipse.ecf.filetransfer.ssl.feature.feature.group" version="1.1.401.v20210409-2301"/>
       <unit id="org.eclipse.ecf.filetransfer.ssl.feature.source.feature.group" version="1.1.401.v20210409-2301"/>
-      <repository location="https://download.eclipse.org/rt/ecf/3.14.28/site.p2/3.14.28.v20211217-2125/"/>
+      <repository location="https://download.eclipse.org/rt/ecf/3.14.26/site.p2/3.14.26.v20211008-2302/"/>
     </location>
 
     <location includeAllPlatforms="true" includeMode="slicer" type="InstallableUnit">