Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch

third_party/sqlite/src/test/attach3.test

Index: third_party/sqlite/src/test/attach3.test
diff --git a/third_party/sqlite/src/test/attach3.test b/third_party/sqlite/src/test/attach3.test
index 36d39991bdae73d463022e765489ed8b88df100e..1ac10d97a49a691bb8572ae6f51b3ad052accef4 100644
--- a/third_party/sqlite/src/test/attach3.test
+++ b/third_party/sqlite/src/test/attach3.test
@@ -35,8 +35,8 @@ execsql {
 }
 
 # Create tables t1 and t2 in database file test2.db
-file delete -force test2.db
-file delete -force test2.db-journal
+forcedelete test2.db
+forcedelete test2.db-journal
 sqlite3 db2 test2.db
 execsql {
   CREATE TABLE t1(a, b);
@@ -322,7 +322,6 @@ do_test attach3-12.9 {
   db_list
 } {main temp {}}
 do_test attach3-12.10 {
-breakpoint
   execsql {
     DETACH ?
   }