Removed --build flag from the installation script

Author: dementii-priadko

postgres_ai

@@ -894,12 +894,12 @@ start_services() {
 
     if is_demo_mode; then
         log_info "Starting Postgres AI services (demo mode - including target database)..."
-        $compose_cmd -f "$COMPOSE_FILE" up -d --build
+        $compose_cmd -f "$COMPOSE_FILE" up -d
     else
         log_info "Starting Postgres AI monitoring services (production mode)..."
         log_info "Target demo database not included - add your own PostgreSQL instances to monitor"
         # Start all services except target-db
-        $compose_cmd -f "$COMPOSE_FILE" up -d sources-generator sink-postgres sink-prometheus pgwatch-postgres pgwatch-prometheus grafana flask-backend postgres-reports --build
+        $compose_cmd -f "$COMPOSE_FILE" up -d sources-generator sink-postgres sink-prometheus pgwatch-postgres pgwatch-prometheus grafana flask-backend postgres-reports
     fi
 
     log_success "Services started!"