fix(sql): fixed sql statement for deleting teams when deleting division

src/main/java/edu/ntnu/idatt1002/k1g4/client/App.java

src/main/java/edu/ntnu/idatt1002/k1g4/client/Model.java

src/main/java/edu/ntnu/idatt1002/k1g4/dao/DivisionDAO.java

src/main/java/edu/ntnu/idatt1002/k1g4/dao/TeamDAO.java

src/test/java/edu/ntnu/idatt1002/k1g4/CreateTestDB.java