Remove mentions of Lumo

The project has been dead for a while now.

Author: bbatsov

doc/modules/ROOT/pages/cljs/overview.adoc

@@ -107,7 +107,7 @@ We'll discuss those checks further in the upcoming sections.
 
 == Limitations
 
-CIDER currently doesn't support self-hosted ClojureScript implementations (e.g. Lumo).
+CIDER currently doesn't support self-hosted ClojureScript implementations.
 The reason for this is that there's no self-hosted version of nREPL (implemented in ClojureScript)
 available today.
 

doc/modules/ROOT/pages/index.adoc

@@ -77,7 +77,7 @@ CIDER packs plenty of features. Here are some of them (in no particular order):
 * Integration with Java logging frameworks
 * Profiling & tracing
 * ClojureScript support
-* Support for xref:platforms/overview.adoc[alternative Clojure platforms] (e.g. ClojureCLR, babashka, nbb & lumo)
+* Support for xref:platforms/overview.adoc[alternative Clojure platforms] (e.g. ClojureCLR, babashka and nbb)
 
 And many many more... The rest of this manual will be exploring CIDER's features in great detail.
 

doc/modules/ROOT/pages/platforms/overview.adoc

@@ -28,7 +28,6 @@ Right now CIDER the supports to some extent the following:
 * xref:platforms/babashka.adoc[Babashka]
 * xref:platforms/nbb.adoc[nbb]
 * xref:platforms/clojureclr.adoc[ClojureCLR]
-* Lumo (via https://github.com/djblue/nrepl-cljs)
 * xref:platforms/other_platforms.adoc[scittle, joyride & friends]
 * xref:platforms/basilisp.adoc[Basilisp]