Remove hard-coded property values

As of Spring Boot 1.4, IDEs are supposed to provide auto-completion for
hints and enum values. This commit removes the hard-coded copy of
allowed values for enum-based properties. This was mostly the case
already and this commit fixes the few ones remaining.

Closes gh-6654

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jersey/JerseyProperties.java

@@ -33,7 +33,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 public class JerseyProperties {
 
 	/**
-	 * Jersey integration type. Can be either "servlet" or "filter".
+	 * Jersey integration type.
 	 */
 	private Type type = Type.SERVLET;
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisProperties.java

@@ -36,8 +36,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 public class ArtemisProperties {
 
 	/**
-	 * Artemis deployment mode, auto-detected by default. Can be explicitly set to
-	 * "native" or "embedded".
+	 * Artemis deployment mode, auto-detected by default.
 	 */
 	private ArtemisMode mode;
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/hornetq/HornetQProperties.java

@@ -37,8 +37,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 public class HornetQProperties {
 
 	/**
-	 * HornetQ deployment mode, auto-detected by default. Can be explicitly set to
-	 * "native" or "embedded".
+	 * HornetQ deployment mode, auto-detected by default.
 	 */
 	private HornetQMode mode;
 

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -121,7 +121,7 @@ content into your application; rather pick only the properties that you need.
 	spring.messages.fallback-to-system-locale=true # Set whether to fall back to the system Locale if no files for a specific Locale have been found.
 
 	# OUTPUT
-	spring.output.ansi.enabled=detect # Configure the ANSI output (can be "detect", "always", "never").
+	spring.output.ansi.enabled=detect # Configure the ANSI output.
 
 	# PID FILE ({sc-spring-boot-actuator}/system/ApplicationPidFileWriter.{sc-ext}[ApplicationPidFileWriter])
 	spring.pid.fail-on-write-error= # Fail if ApplicationPidFileWriter is used but it cannot write the PID file.
@@ -303,7 +303,7 @@ content into your application; rather pick only the properties that you need.
 	spring.jersey.filter.order=0 # Jersey filter chain order.
 	spring.jersey.init.*= # Init parameters to pass to Jersey via the servlet or filter.
 	spring.jersey.servlet.load-on-startup=-1 # Load on startup priority of the Jersey servlet.
-	spring.jersey.type=servlet # Jersey integration type. Can be either "servlet" or "filter".
+	spring.jersey.type=servlet # Jersey integration type.
 
 	# SPRING MOBILE DEVICE VIEWS ({sc-spring-boot-autoconfigure}/mobile/DeviceDelegatingViewResolverAutoConfiguration.{sc-ext}[DeviceDelegatingViewResolverAutoConfiguration])
 	spring.mobile.devicedelegatingviewresolver.enable-fallback=false # Enable support for fallback resolution.
@@ -839,7 +839,7 @@ content into your application; rather pick only the properties that you need.
 	spring.artemis.embedded.server-id= # Server id. By default, an auto-incremented counter is used.
 	spring.artemis.embedded.topics= # Comma-separated list of topics to create on startup.
 	spring.artemis.host=localhost # Artemis broker host.
-	spring.artemis.mode= # Artemis deployment mode, auto-detected by default. Can be explicitly set to "native" or "embedded".
+	spring.artemis.mode= # Artemis deployment mode, auto-detected by default.
 	spring.artemis.password= # Login password of the broker.
 	spring.artemis.port=61616 # Artemis broker port.
 	spring.artemis.user= # Login user of the broker.
@@ -860,7 +860,7 @@ content into your application; rather pick only the properties that you need.
 	spring.hornetq.embedded.server-id= # Server id. By default, an auto-incremented counter is used.
 	spring.hornetq.embedded.topics= # Comma-separated list of topics to create on startup.
 	spring.hornetq.host=localhost # HornetQ broker host.
-	spring.hornetq.mode= # HornetQ deployment mode, auto-detected by default. Can be explicitly set to "native" or "embedded".
+	spring.hornetq.mode= # HornetQ deployment mode, auto-detected by default.
 	spring.hornetq.password= # Login password of the broker.
 	spring.hornetq.port=5445 # HornetQ broker port.
 	spring.hornetq.user= # Login user of the broker.

spring-boot/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -175,7 +175,7 @@
   {
     "name": "spring.output.ansi.enabled",
     "type": "org.springframework.boot.ansi.AnsiOutput$Enabled",
-    "description": "Configure the ANSI output (can be \"detect\", \"always\", \"never\").",
+    "description": "Configure the ANSI output.",
     "defaultValue": "detect"
   },
   {