build(tags): remove redundant build tag ui_base (#857)

It was not used for UI, it had become a CLI dependency
with the same functionality as search

Signed-off-by: Andrei Aaron <andaaron@cisco.com>

pkg/extensions/README.md

@@ -27,5 +27,5 @@ package extensions
 
 - with every new extension, you should modify the EXTENSIONS variable in Makefile by adding the new extension. The EXTENSIONS variable represents all extensions and is used in Make targets that require them all (e.g make test).
 
-- the available extensions that can be used at the moment are: <b>sync, scrub, metrics, search, ui_base </b>.
+- the available extensions that can be used at the moment are: <b>sync, scrub, metrics, search </b>.
 NOTE: When multiple extensions are used, they should be enlisted in the above presented order.

pkg/extensions/extension_search.go

@@ -1,5 +1,5 @@
-//go:build search || ui_base
-// +build search ui_base
+//go:build search
+// +build search
 
 package extensions
 

pkg/extensions/extension_search_disabled.go

@@ -1,5 +1,5 @@
-//go:build !search && !ui_base
-// +build !search,!ui_base
+//go:build !search
+// +build !search
 
 package extensions