Update spacemacs configuration

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

spacemacs

@@ -17,17 +17,18 @@ values."
    ;; List of configuration layers to load. If it is the symbol `all' instead
    ;; of a list then all discovered layers will be installed.
    dotspacemacs-configuration-layers
-   '(yaml
-     shell-scripts
+   '(shell-scripts
      asm
      ;; ----------------------------------------------------------------
      ;; Example of useful layers you may want to use right away.
      ;; Uncomment some layer names and press <SPC f e R> (Vim style) or
      ;; <M-m f e R> (Emacs style) to install them.
      ;; ----------------------------------------------------------------
-     auto-completion
      ;; better-defaults
-     emacs-lisp
+     ;; spell-checking
+     ;; syntax-checking
+     ;; version-control
+     auto-completion
      git
      markdown
      (shell :variables
@@ -35,13 +36,9 @@ values."
 	    shell-default-position 'bottom
 	    shell-default-shell 'eshell
 	    shell-enable-smart-eshell t)
-     ;; spell-checking
-     ;; syntax-checking
-     ;; version-control
      haskell
      rust
      scheme
-     clojure
      emacs-lisp
      c-c++
      python
@@ -211,7 +208,6 @@ user code."
  This function is called at the very end of Spacemacs initialization after
 layers configuration. You are free to put any user code."
 
-  (intero-global-mode 1)
   (require 'helm-bookmark)
   (xterm-mouse-mode -1)
   (setq-default tab-width 8 indent-tabs-mode t)