added script to remove shell tweaks

remove-shelltweaks.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+#Check script is running as root
+if [ "$EUID" -ne 0 ] 
+	then echo "Please run as Root"
+	exit 1
+fi
+
+apt-get purge fish -y
+
+# Iterate over each user's home directory, including /root
+for homedir in /root /home/*; do
+    if [ -d "$homedir" ]; then
+    	rm -rf $homedir/.config/fish
+	rm -rf $homedir/.config/starship.toml
+    fi
+done
+
+
+#Set all users back to bash
+echo Reverting users to bash
+# Loop through all users in /etc/passwd
+while IFS=: read -r username _ _ _ _ homedir _; do
+    # Skip system accounts and users without a home directory
+    if [[ $homedir != "/nonexistent" && -d $homedir ]]; then
+        echo "Changing shell for user: $username"
+        sudo chsh -s /bin/bash "$username"
+        if [ $? -ne 0 ]; then
+            echo "Failed to change shell for user: $username"
+        fi
+    fi
+done < /etc/passwd
+