Revert "[458571] Increment XML features for 3.8.1"

This reverts commit 31609c630fb3f583828fd09e7c831c462397ba17.
diff --git a/xml/features/org.eclipse.wst.xml_core.feature/feature.xml b/xml/features/org.eclipse.wst.xml_core.feature/feature.xml
index 7bdfc78..145d8da 100644
--- a/xml/features/org.eclipse.wst.xml_core.feature/feature.xml
+++ b/xml/features/org.eclipse.wst.xml_core.feature/feature.xml
@@ -14,7 +14,7 @@
 <feature
       id="org.eclipse.wst.xml_core.feature"
       label="%featureName"
-      version="3.18.1.qualifier"
+      version="3.18.0.qualifier"
       provider-name="%providerName"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0">
diff --git a/xml/features/org.eclipse.wst.xml_core.feature/pom.xml b/xml/features/org.eclipse.wst.xml_core.feature/pom.xml
index af38139..5f3b366 100644
--- a/xml/features/org.eclipse.wst.xml_core.feature/pom.xml
+++ b/xml/features/org.eclipse.wst.xml_core.feature/pom.xml
@@ -21,7 +21,7 @@
 
   <groupId>org.eclipse.webtools.sourceediting</groupId>
   <artifactId>org.eclipse.wst.xml_core.feature</artifactId>
-  <version>3.18.1-SNAPSHOT</version>
+  <version>3.18.0-SNAPSHOT</version>
   <packaging>eclipse-feature</packaging>
 
   <build>
diff --git a/xml/features/org.eclipse.wst.xml_sdk.feature/feature.xml b/xml/features/org.eclipse.wst.xml_sdk.feature/feature.xml
index 5e60471..00e249c 100644
--- a/xml/features/org.eclipse.wst.xml_sdk.feature/feature.xml
+++ b/xml/features/org.eclipse.wst.xml_sdk.feature/feature.xml
@@ -14,7 +14,7 @@
 <feature
       id="org.eclipse.wst.xml_sdk.feature"
       label="%featureName"
-      version="3.18.1.qualifier"
+      version="3.18.0.qualifier"
       provider-name="%providerName"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0">
diff --git a/xml/features/org.eclipse.wst.xml_sdk.feature/pom.xml b/xml/features/org.eclipse.wst.xml_sdk.feature/pom.xml
index 26b9de9..164b954 100644
--- a/xml/features/org.eclipse.wst.xml_sdk.feature/pom.xml
+++ b/xml/features/org.eclipse.wst.xml_sdk.feature/pom.xml
@@ -21,6 +21,6 @@
 
   <groupId>org.eclipse.webtools.sourceediting</groupId>
   <artifactId>org.eclipse.wst.xml_sdk.feature</artifactId>
-  <version>3.18.1-SNAPSHOT</version>
+  <version>3.18.0-SNAPSHOT</version>
   <packaging>eclipse-feature</packaging>
 </project>
diff --git a/xml/features/org.eclipse.wst.xml_tests.feature/pom.xml b/xml/features/org.eclipse.wst.xml_tests.feature/pom.xml
index e5354fc..010879b 100644
--- a/xml/features/org.eclipse.wst.xml_tests.feature/pom.xml
+++ b/xml/features/org.eclipse.wst.xml_tests.feature/pom.xml
@@ -21,6 +21,6 @@
 
   <groupId>org.eclipse.webtools.sourceediting</groupId>
   <artifactId>org.eclipse.wst.xml_tests.feature</artifactId>
-  <version>3.18.1-SNAPSHOT</version>
+  <version>3.18.0-SNAPSHOT</version>
   <packaging>eclipse-feature</packaging>
 </project>
diff --git a/xml/features/org.eclipse.wst.xml_ui.feature/feature.xml b/xml/features/org.eclipse.wst.xml_ui.feature/feature.xml
index 7dd11b7..3a55376 100644
--- a/xml/features/org.eclipse.wst.xml_ui.feature/feature.xml
+++ b/xml/features/org.eclipse.wst.xml_ui.feature/feature.xml
@@ -14,7 +14,7 @@
 <feature
       id="org.eclipse.wst.xml_ui.feature"
       label="%featureName"
-      version="3.18.1.qualifier"
+      version="3.18.0.qualifier"
       provider-name="%providerName"
       plugin="org.eclipse.wst.xml.ui"
       license-feature="org.eclipse.license"
@@ -33,9 +33,9 @@
    </license>
 
    <requires>
-      <import feature="org.eclipse.wst.common_ui.feature" version="0.0.0" match="greaterOrEqual"/>
-      <import feature="org.eclipse.wst.xml_userdoc.feature" version="0.0.0" match="greaterOrEqual"/>
-      <import feature="org.eclipse.wst.xml_core.feature" version="0.0.0" match="greaterOrEqual"/>
+          <import feature="org.eclipse.wst.common_ui.feature" version="0.0.0" match="greaterOrEqual"/>
+          <import feature="org.eclipse.wst.xml_userdoc.feature" version="0.0.0" match="greaterOrEqual"/>
+          <import feature="org.eclipse.wst.xml_core.feature" version="0.0.0" match="greaterOrEqual"/>
    </requires>
 
    <plugin
diff --git a/xml/features/org.eclipse.wst.xml_ui.feature/pom.xml b/xml/features/org.eclipse.wst.xml_ui.feature/pom.xml
index a2abc52..4918a2d 100644
--- a/xml/features/org.eclipse.wst.xml_ui.feature/pom.xml
+++ b/xml/features/org.eclipse.wst.xml_ui.feature/pom.xml
@@ -21,7 +21,7 @@
 
   <groupId>org.eclipse.webtools.sourceediting</groupId>
   <artifactId>org.eclipse.wst.xml_ui.feature</artifactId>
-  <version>3.18.1-SNAPSHOT</version>
+  <version>3.18.0-SNAPSHOT</version>
   <packaging>eclipse-feature</packaging>
 
   <build>