Remove obsolete user configs

dotfiles/bash/user/aloism.bashrc

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-make_ps1u() {
-    echo "$lyellow\u$normal";
-}

dotfiles/bash/user/lennycz.bashrc

@@ -1,7 +0,0 @@
-#!/bin/bash
-
-make_ps1u() {
-    echo "$lyellow\u$normal";
-}
-
-export LC_TIME="cs_CZ.utf8"