lsp-mode: Move python-mode config for lsp-mode to python config

To decouple python from the dev config and contain it solely in the
python config, configure the lsp-mode for python in the python config.

.emacs.d/config/dev.el

@@ -49,7 +49,6 @@
 (use-package lsp-mode
   :ensure t
   :hook
-  (python-mode . lsp-deferred)
   (rust-mode . lsp-deferred)
   (toml-mode . lsp-deferred)
   :config

.emacs.d/config/python.el

@@ -5,3 +5,8 @@
   :ensure t
   :hook
   (python-mode . flycheck-mode))
+
+(use-package lsp-mode
+  :ensure t
+  :hook
+  (python-mode . lsp-deferred))