Massive cleanup of my bash-config

The most important change is that I no longer create completions for fly
and kubectl automatically. Furthermore the automatic creation of a
cronjob to empty the downloads-folder is also gone. - These
funtionalities better fit the initial dev-machine setup, so I gonna move
them over to there soon.

.bash_profile

@@ -8,4 +8,5 @@
 # for ssh logins, install and configure the libpam-umask package.
 #umask 022
 
-[[ -f ~/.bashrc ]] && . ~/.bashrc
+test -r ~/.profile && . ~/.profile
+test -r ~/.bashrc && . ~/.bashrc