not use theme any more

.gitmodules

@@ -130,9 +130,6 @@
 [submodule "site-lisp/rainbow-delimiters"]
 	path = site-lisp/rainbow-delimiters
 	url = https://github.com/Fanael/rainbow-delimiters.git
-[submodule "site-lisp/circadian"]
-	path = site-lisp/circadian
-	url = https://github.com/guidoschmidt/circadian.el.git
 [submodule "site-lisp/tomelr"]
 	path = site-lisp/tomelr
 	url = https://github.com/kaushalmodi/tomelr.git