Revert "Document trace/trace.force"

This reverts commit 9fb3521.

Author: odersky

compiler/src/dotty/tools/dotc/reporting/trace.scala

@@ -7,21 +7,6 @@ import config.Config
 import config.Printers
 import core.Mode
 
-/** Exposes the {{{ trace("question") { op } }}} syntax.
-  *
-  * Traced operations will print indented messages if enabled.
-  * Tracing depends on [[Config.tracingEnabled]] and [[dotty.tools.dotc.config.ScalaSettings.Ylog]].
-  * Tracing can be forced by replacing [[trace]] with [[trace.force]] (see below).
-  */
-object trace extends TraceSyntax {
-  final val isForced = false
-
-  /** Forces a particular trace to be printed out regardless of tracing being enabled. */
-  object force extends TraceSyntax {
-    final val isForced = true
-  }
-}
-
 abstract class TraceSyntax {
   val isForced: Boolean
 
@@ -108,3 +93,10 @@ abstract class TraceSyntax {
       }
     }
 }
+
+object trace extends TraceSyntax {
+  final val isForced = false
+  object force extends TraceSyntax {
+    final val isForced = true
+  }
+}