Sounds like a dupe of JBoss Tools WTP Server Actions missing in Eclipse Oxygen
Hard to say for sure since you didn't way what version of JBoss Tools you're using, or what version of JDK. I conclude from your screenshot you're on a Mac, but I don't know what version. In future please report your environment details so it's easier to know what you're running, what versions, and on what OS.
You could also try hitting CTRL-3 (or CMD-3) and typing things like "publish" or "deploy" to find the method you're looking for, if there's no keyboard shortcut mapped.
thanks for the hint (cmd-3).
I am using jboss tools 4.5.1.
Why is the icon removed. It was useful.
The other icons are not needed but the icon for redeploy was useful.
The icons were trimmed down to just one, server icon, in the toolbar. It seems like it was closed / committed for 4.5.2.am2.
Hope this helps.