Removed flash-attn as dependency because it's hard to install properly

scripts/bootstrap.sh

@@ -39,10 +39,6 @@ if [ ! -d "/root/sia" ]; then
     git config --global core.editor vim
 fi
 
-# Fixing permissions
-echo "Fixing permissions..."
-chmod +x /root/sia/scripts/*.sh
-
 # Install Node.js if needed
 if ! command -v node &> /dev/null; then
     echo "Installing Node.js..."