Retiring gtkEmbed in favor of TestGtkEmbed (90526). r=adamlock, sr=blizzard

embedding/config/basebrowser-unix

@@ -8,7 +8,6 @@
 ; 
 ; Sample App + launch script
 ; 
-gtkEmbed
 TestGtkEmbed
 run-mozilla.sh
 

embedding/config/mk_sdk_hdr_lst.pl

@@ -57,7 +57,7 @@ print STDERR "$appname\n",
 @default_dirs = (
   "$moz/embedding/tests/winEmbed",
   "$moz/embedding/tests/mfcembed",
-  "$moz/embedding/tests/gtkEmbed",
+  "$moz/embedding/browser/gtk/tests",
   "$moz/embedding/browser/activex/src/control",
   "$moz/embedding/browser/powerplant/source",
   "$moz/embedding/browser/gtk/src"