Doom Emacs Update Script Fix & Submodule Updates

- Update doom emacs update script to just do
  `upgrade` and `purge`
- Update doom-emacs, doom-emacs-config, and dwm-flexipatch
  submodules

.scripts/doom_emacs_update.sh

@@ -3,10 +3,10 @@
 DOOM_BIN=~/.config/doom-emacs/bin/doom
 DOOM_DIR_PATH=~/.config/doom-emacs-config
 
-# Synchronize personal config
-DOOMDIR=$DOOM_DIR_PATH $DOOM_BIN sync
-
-# Upgrade packages
+# Upgrade Doom to the latest version (then update your packages). This is equivalent to
+# $ git pull
+# $ doom sync
+# $ doom update
 DOOMDIR=$DOOM_DIR_PATH $DOOM_BIN upgrade
 
 # Delete orphaned packages & repos, and compacts them

README.org

@@ -349,6 +349,7 @@ stow -v -D .
 #+END_SRC
 
 * Notifications
+
 ** Dunst Notification Daemon 
 
 *** Global
@@ -6943,7 +6944,7 @@ Select the emacs configuration to use by default.
 doom
 #+END_SRC
 
-*** Update Script
+*** DOOM Emacs Update Script
 
 Script to synchronize and update Doom Emacs configuration.
 
@@ -6952,10 +6953,10 @@ Script to synchronize and update Doom Emacs configuration.
 DOOM_BIN=~/.config/doom-emacs/bin/doom
 DOOM_DIR_PATH=~/.config/doom-emacs-config
 
-# Synchronize personal config
-DOOMDIR=$DOOM_DIR_PATH $DOOM_BIN sync
-
-# Upgrade packages
+# Upgrade Doom to the latest version (then update your packages). This is equivalent to
+# $ git pull
+# $ doom sync
+# $ doom update
 DOOMDIR=$DOOM_DIR_PATH $DOOM_BIN upgrade
 
 # Delete orphaned packages & repos, and compacts them