Remove solarized-theme from the list of default packages

README.md

@@ -343,7 +343,9 @@ Or you can use another theme altogether by adding something like:
 (load-theme 'solarized-dark t)
 ```
 
-P.S. Solarized is not available by default - you'll have to install it from MELPA first.
+**P.S.** Solarized is not available by default - you'll have to
+  install it from MELPA first (`M-x package-install RET
+  solarized-theme`).
 
 ### Personalizing
 

core/prelude-packages.el

@@ -46,7 +46,7 @@
     git-commit-mode gitconfig-mode gitignore-mode grizzl
     guru-mode helm helm-projectile ido-ubiquitous
     key-chord magit rainbow-mode
-    smartparens smex solarized-theme undo-tree
+    smartparens smex undo-tree
     volatile-highlights zenburn-theme)
   "A list of packages to ensure are installed at launch.")