Merge branch 'DropSampler' into 'master'

Sampler dropped

See merge request exedio/cope!1734

Author: rw7

conf/environment.html

@@ -35,7 +35,6 @@ <h1>cope on @ENV@</h1>
 					<li><a href="@HOST@copelibtest-@ENV@/dispatcher/console">dispatcher</a></li>
 					<li><a href="@HOST@copelibtest-@ENV@/copy/console">copy</a></li>
 					<li><a href="@HOST@copelibtest-@ENV@/defaultTo/console">defaultTo</a></li>
-					<li><a href="@HOST@copelibtest-@ENV@/sampler/console">sampler</a></li>
 					<li><a href="@HOST@copelibtest-@ENV@/badQuery/console">badQuery</a></li>
 				</ul>
 			</li>

exedio-cope-log.txt

@@ -7,6 +7,8 @@ omit bug fixes.
 The items are sorted inversely, i.e. the latest items are on top.
 
 --------------------------------------------------------------------------
+* Classes Sampler and SamplerProperties dropped.
+	This breaks backwards API compatibility - check for usage of dropped API in your project, including used libraries!
 * ConnectProperties: key "cluster.listenLoopback" no longer supported.
 	Check your deployed systems! Probably this key is at its default (true),
 	then you don't have to do anything.

runtime/patternsrc/com/exedio/cope/misc/SlowTransactionLogger.java

@@ -99,7 +99,6 @@ public static void run(
 
 	static final Holder<LongSupplier> now = new Holder<>(System::currentTimeMillis);
 
-	// almost equal to code in SamplerThread
 	static String toString(final StackTraceElement[] trace)
 	{
 		final StringBuilder sb = new StringBuilder();

runtime/servletsrc/com/exedio/cope/pattern/MediaPath.java

@@ -611,10 +611,11 @@ public final MediaInfo getInfo()
 
 	/**
 	 * For testing only. TODO
+	 * @deprecated No longer supported. Does nothing.
 	 */
+	@Deprecated
 	public final void incrementDelivered()
 	{
-		delivered.stop(Timer.start());
 	}
 
 	public static final List<MediaRequestLog> getNoSuchPathLogs()