Stop synchronizing user guides from Wiki

The primary location for these user guides is now the Git repo in HTML
format.

Part of eclipse-cdt#32

BUILDING.md

@@ -62,19 +62,6 @@ Requires verify phase of maven to run, i.e. will not run with `mvn package` even
 Runs the production steps of the build. This profile can only be run on the CDT CI machines
 as access to Eclipse key signing server is needed to sign the jars.
 
-#### regenHelp
-
-Some of the help systems in Eclipse CDT require the `regenHelp` profile to rebuild their HTML from the source documents. For example, to regenerate the help
-for Autotools or Meson do:
-
-```
-mvn generate-resources -DuseSimrelRepo -f build/org.eclipse.cdt.meson.docs -PregenHelp
-```
-
-```
-mvn generate-resources -DuseSimrelRepo -f build/org.eclipse.cdt.autotools.docs -PregenHelp
-```
-
 #### jniheaders
 
 The `jniheaders` profile can be used on the `core/org.eclipse.cdt.core.native` and

build/org.eclipse.cdt.autotools.docs/CDT/Autotools/User_Guide/Updating-This-Document.html

@@ -26,9 +26,9 @@
 			</tr>
 		</table><hr class="navigation-separator"/>
 		<h1 id="Updating_This_Document">Updating This Document</h1>
-		<p>This document is maintained in a collaborative wiki.  If you wish to update or modify this document please visit 
-
-			<a href="https://wiki.eclipse.org/CDT/Autotools/User_Guide">https://wiki.eclipse.org/CDT/Autotools/User_Guide</a>
+		<p>This document is maintained in Git. Please see provide a Pull Request following the <a
+			href="https://github.com/eclipse-cdt/cdt/blob/main/CONTRIBUTING.md">Eclipse CDT contribution guide</a> to <a
+			href="org.eclipse.cdt.autotools.docs">https://github.com/eclipse-cdt/cdt/tree/main/build/org.eclipse.cdt.autotools.docs/CDT/Autotools/User_Guide</a>
 		</p><hr class="navigation-separator"/>
 		<table class="navigation" style="width: 100%;" border="0" summary="navigation">
 			<tr>

build/org.eclipse.cdt.autotools.docs/pom.xml

@@ -87,41 +87,6 @@
 				</plugins>
 			</build>
 		</profile>
-		<profile>
-			<id>regenHelp</id>
-			<build>
-				<plugins>
-					<plugin>
-						<artifactId>maven-antrun-plugin</artifactId>
-						<executions>
-							<execution>
-								<id>helpdocs</id>
-								<phase>generate-resources</phase>
-								<configuration>
-									<target>
-										<taskdef classpathref="maven.plugin.classpath"
-											resource="org/eclipse/mylyn/wikitext/mediawiki/ant/tasks.properties" />
-										<taskdef classpathref="maven.plugin.classpath"
-											resource="org/eclipse/mylyn/wikitext/ant/tasks.properties" />
-										<ant antfile="build-helper.xml" target="all" />
-									</target>
-								</configuration>
-								<goals>
-									<goal>run</goal>
-								</goals>
-							</execution>
-						</executions>
-						<dependencies>
-							<dependency>
-								<groupId>org.eclipse.mylyn.docs</groupId>
-								<artifactId>org.eclipse.mylyn.wikitext.mediawiki.ant</artifactId>
-								<version>3.0.25</version>
-							</dependency>
-						</dependencies>
-					</plugin>
-				</plugins>
-			</build>
-		</profile>
 		<profile>
 			<id>fake-doc</id>
 			<activation>

build/org.eclipse.cdt.meson.docs/CDT/Meson/User_Guide/Updating-This-Document.html

@@ -26,9 +26,9 @@
 			</tr>
 		</table><hr class="navigation-separator"/>
 		<h1 id="Updating_This_Document">Updating This Document</h1>
-		<p>This document is maintained in a collaborative wiki.  If you wish to update or modify this document please visit 
-
-			<a href="https://wiki.eclipse.org/CDT/Meson/User_Guide">https://wiki.eclipse.org/CDT/Meson/User_Guide</a>
+		<p>This document is maintained in Git. Please see provide a Pull Request following the <a
+			href="https://github.com/eclipse-cdt/cdt/blob/main/CONTRIBUTING.md">Eclipse CDT contribution guide</a> to <a
+			href="org.eclipse.cdt.autotools.docs">https://github.com/eclipse-cdt/cdt/tree/main/build/org.eclipse.cdt.meson.docs/CDT/Meson/User_Guide/</a>
 		</p><hr class="navigation-separator"/>
 		<table class="navigation" style="width: 100%;" border="0" summary="navigation">
 			<tr>

build/org.eclipse.cdt.meson.docs/pom.xml

@@ -87,41 +87,6 @@
 				</plugins>
 			</build>
 		</profile>
-		<profile>
-			<id>regenHelp</id>
-			<build>
-				<plugins>
-					<plugin>
-						<artifactId>maven-antrun-plugin</artifactId>
-						<executions>
-							<execution>
-								<id>helpdocs</id>
-								<phase>generate-resources</phase>
-								<configuration>
-									<target>
-										<taskdef classpathref="maven.plugin.classpath"
-											resource="org/eclipse/mylyn/wikitext/mediawiki/ant/tasks.properties" />
-										<taskdef classpathref="maven.plugin.classpath"
-											resource="org/eclipse/mylyn/wikitext/ant/tasks.properties" />
-										<ant antfile="build-helper.xml" target="all" />
-									</target>
-								</configuration>
-								<goals>
-									<goal>run</goal>
-								</goals>
-							</execution>
-						</executions>
-						<dependencies>
-							<dependency>
-								<groupId>org.eclipse.mylyn.docs</groupId>
-								<artifactId>org.eclipse.mylyn.wikitext.mediawiki.ant</artifactId>
-								<version>3.0.23</version>
-							</dependency>
-						</dependencies>
-					</plugin>
-				</plugins>
-			</build>
-		</profile>
 		<profile>
 			<id>fake-doc</id>
 			<activation>