removing unused variables (batch 1) (#2255)

packages/api/methods.js

...sktop-client/src/components/modals/ImportTransactions.jsx

...esktop-client/src/components/reports/CategorySelector.tsx

packages/desktop-client/src/components/rules/RulesHeader.tsx

...esktop-client/src/components/schedules/SchedulesTable.tsx

packages/desktop-client/src/components/select/DateSelect.tsx

packages/desktop-client/src/components/sidebar/Accounts.tsx

packages/desktop-client/src/components/table.tsx

...t/src/components/transactions/SimpleTransactionsTable.jsx

...nt/src/components/transactions/TransactionsTable.test.jsx

packages/desktop-client/src/components/util/AmountInput.tsx

packages/desktop-electron/security.js

packages/desktop-electron/updater.js

packages/loot-core/migrations/1632571489012_remove_cache.js

packages/loot-core/src/client/actions/account.ts

packages/loot-core/src/client/actions/queries.ts

packages/loot-core/src/client/query-helpers.test.ts

packages/loot-core/src/platform/client/fetch/index.web.ts

packages/loot-core/src/platform/exceptions/index.browser.ts

packages/loot-core/src/platform/exceptions/index.electron.ts