Revert "eclipse-base update for 4.13 (#480)"

This reverts commit 8f167b8.

Author: nedtwigg

_ext/eclipse-base/CHANGES.md

@@ -1,9 +1,5 @@
 # spotless-eclipse-base
 
-### Version 3.3.0 - October 31st 2019 ([artifact]([jcenter](https://bintray.com/diffplug/opensource/spotless-eclipse-base)))
-
-* Added support of Eclipse 4.13 framework. ([#480](https://github.com/diffplug/spotless/issues/480))
-
 ### Version 3.2.1 - September 3rd 2019 ([artifact]([jcenter](https://bintray.com/diffplug/opensource/spotless-eclipse-base)))
 
 * Fixed deletion of temporary workspace. ([#447](https://github.com/diffplug/spotless/issues/447))

_ext/eclipse-base/gradle.properties

@@ -1,7 +1,7 @@
 # Mayor versions correspond to the supported Eclipse core version.
 # Minor version is incremented for features or incompatible changes (including changes to supported dependency versions).
 # Patch version is incremented for backward compatible patches of this library.
-ext_version=3.3.0
+ext_version=3.2.1
 ext_artifactId=spotless-eclipse-base
 ext_description=Eclipse bundle controller and services for Spotless
 
@@ -12,7 +12,7 @@ ext_group=com.diffplug.spotless
 ext_VER_JAVA=1.8
 
 # Compile dependencies
-VER_ECLIPSE_CORE_RESOURCES=[3.13.500,4.0.0[
+VER_ECLIPSE_CORE_RESOURCES=[3.13.400,4.0.0[
 
 # Provided dependencies
 VER_SLF4J=[1.6,2.0[