Remove TMs "4.18 M3", "4.18", "4.19 M1" and add TM "4.19 M3"

Change-Id: I6efe7780de95e7c578bfa70cad694dbc310521bd
Signed-off-by: Noopur Gupta <noopur_gupta@in.ibm.com>
diff --git a/ui/scripts/jdtbugzilla.user.js b/ui/scripts/jdtbugzilla.user.js
index 3bc0b8d..7f2c196 100644
--- a/ui/scripts/jdtbugzilla.user.js
+++ b/ui/scripts/jdtbugzilla.user.js
@@ -34,7 +34,7 @@
 // @resource      config   https://www.eclipse.org/jdt/ui/scripts/jdtbugzilla.config.js
 // @downloadURL   https://www.eclipse.org/jdt/ui/scripts/jdtbugzilla.user.js
 // @updateURL     https://www.eclipse.org/jdt/ui/scripts/jdtbugzilla.user.js
-// @version 1.20201111T1126
+// @version 1.20210105T1032
 
 // @include       https://bugs.eclipse.org/bugs/show_bug.cgi*
 // @include       https://bugs.eclipse.org/bugs/process_bug.cgi
@@ -65,7 +65,7 @@
 // - edit jdtbugzilla.config.js
 
 // Add as many milestones as you like:
-var target_milestones= ["4.18 M3", "4.18", "4.19 M1", "4.19", "BETA J16"];
+var target_milestones= ["4.19 M3", "4.19", "BETA J16"];
 
 // Indexes into target_milestones to be used for "Fixed (in <TM>)" links
 var main_target_milestones= [0/*, 2*/];