[bash] Fix bash profile initialization

Removed automatic initializations of zsh functions.
Fixed not calling correct folders for bash aliases, environment
variables and profile settings.

home/.bashrc

@@ -1,23 +1,20 @@
 #
 # ~/.bashrc
 #
+# shellcheck disable=SC1090
+
+CONFDIR="${XDG_CONFIG_HOME:-$HOME/.config}"
 
 # If not running interactively, don't do anything
 [[ $- != *i* ]] && return
 
-# Load files from rc.d
-if [ -d $XDG_CONFIG_HOME/shell/rc.d ]; then
-    for file in $XDG_CONFIG_HOME/shell/rc.d/*.sh; do
-        source $file
-    done
+[ -f "$CONFDIR/sh/alias" ] && source "$CONFDIR/sh/alias"
+# load additional aliases
+if [ -d "$CONFDIR/sh/alias.d" ]; then
+  for _alias in "$CONFDIR/sh/alias.d"/*.sh; do
+    . "$_alias"
+  done
+  unset _alias
 fi
-
-# Load files from bashrc.d
-if [ -d $XDG_CONFIG_HOME/shell/bashrc.d ]; then
-    for file in $XDG_CONFIG_HOME/shell/bashrc.d/*.bash; do
-        source $file
-    done
-fi
-
 alias ls='ls --color=auto'
 PS1='[\u@\h \W]\$ '