all: Fix simple warnings and cosmetics.

1-base/lace/source/events/mixin/lace-event-make_subject.adb

@@ -4,8 +4,6 @@ with
      system.RPC,
      ada.unchecked_Deallocation;
 
-with ada.Text_IO; use ada.Text_IO;
-
 
 package body lace.event.make_Subject
 is

1-base/lace/source/events/mixin/private/lace-event_emitter.adb

@@ -1,8 +1,9 @@
 with
      lace.Observer,
-     lace.Event.Containers,
      lace.Event.utility,
+     lace.event.Containers,
 
+     ada.Containers.indefinite_Holders,
      ada.Text_IO,
      ada.Exceptions,
      ada.unchecked_Deallocation,

1-base/lace/source/events/mixin/private/lace-event_emitter.ads

@@ -5,8 +5,6 @@ with
 private
 with
      lace.Subject,
-     lace.event.Containers,
-     ada.Containers.indefinite_Holders,
      ada.Containers.indefinite_Vectors;
 
 

1-base/lace/source/events/mixin/xgc/lace-event-make_observer-deferred.adb

@@ -3,8 +3,6 @@ with
      lace.Event.utility,
      ada.unchecked_Deallocation;
 
-with ada.Text_IO; use ada.Text_IO;
-
 
 package body lace.event.make_Observer.deferred
 is

1-base/lace/source/text/lace-text-forge.adb

@@ -2,8 +2,7 @@ with
      ada.Characters.latin_1,
      ada.Directories,
      ada.Direct_IO,
-     ada.Streams.Stream_IO,
-     ada.Text_IO;
+     ada.Streams.Stream_IO;
 
 
 package body lace.Text.forge