add ble.sh option for bash install

hosts/lolcathost/default.nix

@@ -226,7 +226,6 @@ in {
 
     # Shell
     bash
-    zsh
     fish
     shellcheck
     grc # colorise command outputs
@@ -329,6 +328,7 @@ in {
     # cause it isn't POSIX compliant, so instead Bash is my login and
     # will just exec fish (^-^)
     bash = {
+      blesh.enable = false; # ble.sh replacement for GNU readline
       completion.enable = true;
 
       interactiveShellInit = ''