disable broken jest tests

Created by: limitedmage

• Disables hashCode.test.ts and hoverifier.test.ts since those tests are broken locally and are not run in CI. These tests should either be fixed, re-enabled and made to run in CI; or removed altogether if not necessary. Issue for this: #31952
• Removes tests compiled by TypeScript via yarn build-ts from yarn test command. These tests are redundant since they were already being run. It also causes test failures locally in the cliente/codeintellify package since those tests require static files that are not copied by the TypeScript build.

Test plan

• Only disabled tests are actually disabled when running tests (checked number of tests)
• All tests pass locally on both yarn test and on the VS Code jest extension