Clean up

Remove bogus external launch configuration; update jruby version.

Change-Id: I381d2340207b07d5269c95805d0322fb82103fb9
diff --git a/Make Handbook.launch b/Make Handbook.launch
deleted file mode 100644
index 21c7d28..0000000
--- a/Make Handbook.launch
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ui.externaltools.ProgramLaunchConfigurationType">
-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${container}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LAUNCH_CONFIGURATION_BUILD_SCOPE" value="${none}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="/bin/make"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/Eclipse Project Handbook/source}"/>
-</launchConfiguration>
diff --git a/pom.xml b/pom.xml
index c90547f..c6a041e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
         <asciidoctor.maven.plugin.version>1.5.3</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>1.5.4.1</asciidoctorj.version>
         <asciidoctorj.diagram.version>1.5.0</asciidoctorj.diagram.version>
-        <jruby.version>9.1.2.0</jruby.version>
+        <jruby.version>9.1.7.0</jruby.version>
     </properties>
 
     <build>