Remove useless fancyTerm, dust and repo_char functions

Removed functions, some prompts; rewrite prompts not to use fancyTerm

zsh.d/prompts/prompt_minimal_setup

@@ -1,17 +1,5 @@
 function prompt_minimal_setup { 
-# Setup PROMPT
-if `fancyTerm`; then
-    # We are on xterminal
-    W="%n@%m:%."
-    I="%m:%."
-    L="%B%. %#%b "
-    PS1="%{]2;$W%}%{]1;$I%}$L"
-    unset W I L
-
-else
-    # We are not on xterminal
     PS1="%B%. %#%b "
-fi
 }
 
 prompt_minimal_setup