Delete obsolete code

Deleted code is either no longer needed as it does not match the grml
based environment or it conflicts/overwrites grml zsh settings.

zshrc.d/32-history.zsh

 ## Configure the history.
-# First up, enable extended history mode
-setopt EXTENDED_HISTORY
-# Now ignore duplicates in the history
-setopt HIST_IGNORE_ALL_DUPS
-# Prevent recording a history entry if preceded with at least one space
-setopt HIST_IGNORE_SPACE
 # Don't store invocations of 'history' in the history
 setopt HIST_NO_STORE
 # Enable incremental append
 setopt INC_APPEND_HISTORY
-# Enable zsh history sharing. Scary but fun
-setopt SHARE_HISTORY
-
-## Now the history file configuration itself
-
-# The file to store history in
-HISTFILE=~/.zsh_history
-# Store 2000 commands in memory
-HISTSIZE=2000
-# Save 1000 commands
-SAVEHIST=1000

zshrc.d/42-dircolors.zsh

 # Add directory colors
-if [ -x /usr/bin/dircolors ]; then
-	eval "$(dircolors -b)"
+alias dir='dir --color=auto'
+alias vdir='vdir --color=auto'
 
-	alias dir='dir --color=auto'
-	alias ls='ls --color=auto'
-	alias vdir='vdir --color=auto'
-
-	alias egrep='egrep --color=auto'
-	alias fgrep='fgrep --color=auto'
-	alias grep='grep --color=auto'
-fi
+alias fgrep='fgrep --color=auto'

zshrc.d/50-completions.zsh

-# Use modern completion system
-autoload -Uz compinit
-compinit
-
 # A handy-dandy function for reloading completions we might hack on
 function compreload() {
 	ARG="$1"
@@ -30,4 +26,7 @@ zstyle ':completion:*' verbose true
 #zstyle ':completion:*:kill:*' command 'ps -u $USER -o pid,%cpu,tty,cputime,cmd'
 
 # Add custom completion scripts
-fpath=(~/.zsh/completion $fpath)
+if [ -d "$HOME/.zsh/completion" ]
+then
+	fpath=($HOME/.zsh/completion $fpath)
+fi

zshrc.d/65-globbing.zsh

-# Treat the ‘#’, ‘~’ and ‘^’ characters as part of patterns
-# for filename generation, etc. (An initial unquoted ‘~’ always
-# produces named directory expansion.)
-setopt EXTENDED_GLOB

zshrc.d/70-variables.zsh

 # Useful variables for our ZSH environment
 
-test "x$HOSTNAME" = "x" && export HOSTNAME=$(hostname)
+test "x$HOSTNAME" = "x" && export HOSTNAME="$HOST"
 
-export EDITOR=/usr/bin/vim
-export GIT_EDITOR=/usr/bin/vim
-export VISUAL=/usr/bin/vim
-
-export SHELL=/bin/zsh
+export GIT_EDITOR="$EDITOR"
+export VISUAL="$EDITOR"

zshrc.d/80-load-oh-my-zsh.zsh

@@ -10,4 +10,4 @@ DISABLE_AUTO_UPDATE="true"
 COMPLETION_WAITING_DOTS="true"
 
 # Pull in the system oh-my-zsh
-source /usr/share/oh-my-zsh/oh-my-zsh.sh
+source "$ZSH/oh-my-zsh.sh"

zshrc.d/92-bash_aliases.zsh

-# Source bash alias definitions, if they exist
-if [ -f ~/.bash_aliases ]
-then
-	source ~/.bash_aliases
-fi