remove checks for alive methods

Author: jjnicola

rust/migrations/20260313093612_remove_alive_methods-checks.sql

@@ -0,0 +1,8 @@
+DROP TABLE alive_methods;
+ 
+CREATE TABLE alive_methods (
+    id INTEGER,
+    method TEXT DEFAULT 'icmp',
+    PRIMARY KEY (id, method),
+    FOREIGN KEY (id) REFERENCES client_scan_map(id) ON DELETE CASCADE
+);