chore(dotbot): remove dotbot-crontab

.gitmodules

@@ -47,9 +47,6 @@
 [submodule "tmux/tmux-window-name"]
 	path = config/tmux/plugins/tmux-window-name
 	url = https://github.com/ofirgall/tmux-window-name.git
-[submodule "dotbot-crontab"]
-	path = tools/dotbot-crontab
-	url = https://github.com/codekansas/dotbot-crontab.git
 [submodule "dotbot-snap"]
 	path = tools/dotbot-snap
 	url = https://github.com/DrDynamic/dotbot-snap.git

install.conf.yaml

@@ -56,12 +56,3 @@
     file: tools/requirements-pipx.txt
     stdout: false
     stderr: true
-- crontab:
-    - time: 0 5 * * *
-      command: brew update && brew upgrade
-      platform: darwin # Optional
-    - time: 0 5 * * *
-      command: apt update && apt upgrade
-      platform: linux # Optional
-    - time: 0 5 * * *
-      command: task sync