Arrays are pushed not popped

[hats-bug-reporter]

Github username: --
Submission hash (on-chain): 0x013b8f250b24421352d875f4e429ba781770429c144298172fc00cec16953930
Severity: low

Description:
Description

Array entries are added but are never removed. Consider whether this should be the case, or whether there should be a maximum, or whether old entries should be removed. Cases where there are specific potential problems will be flagged separately under a different issue.

Vaults and reward controllers can be added but not removed;

[jellegerbrandy]

There is no vulnerability mentioned in this issue.