Revert "98402: Add indexes to SavedClaim for Decision Review sidekiq job queries"

[ericboehs]

Reverts #19758

{"host":"db-migrate-x2gnk","application":"vets-api-server","environment":"production","timestamp":"2024-12-09T18:01:16.816662Z","level":"info","level_index":2,"pid":1,"thread":"12280","named_tags":{"dd":{"env":"eks-prod","service":"vets-api","version":"77c9d4e2940998547f03a1b86d3e0c2aeccc31b6","trace_id":"0","span_id":"0"},"ddsource":"ruby"},"name":"ActiveRecord::Base","message":"Migrating to AddIndexesToSavedClaims (20241204221534)"}
== 20241204221534 AddIndexesToSavedClaims: migrating ==========================
-- add_index(:saved_claims, [:metadata, :type], {:where=>"(metadata LIKE '%error%')", :name=>"idx_saved_claims_partial_metadata_like_error_and_type", :algorithm=>:concurrently})
bin/rails aborted!
StandardError: An error has occurred, all later migrations canceled: (StandardError)

PG::ProgramLimitExceeded: ERROR: index row size 3064 exceeds btree version 4 maximum 2704 for index "idx_saved_claims_partial_metadata_like_error_and_type"
DETAIL: Index row references tuple (600210,11) in relation "saved_claims".
HINT: Values larger than 1/3 of a buffer page cannot be indexed.
Consider a function index of an MD5 hash of the value, or use full text indexing.
/app/db/migrate/20241204221534_add_indexes_to_saved_claims.rb:5:in `change'

Caused by:
ActiveRecord::StatementInvalid: PG::ProgramLimitExceeded: ERROR: index row size 3064 exceeds btree version 4 maximum 2704 for index "idx_saved_claims_partial_metadata_like_error_and_type" (ActiveRecord::StatementInvalid)
DETAIL: Index row references tuple (600210,11) in relation "saved_claims".
HINT: Values larger than 1/3 of a buffer page cannot be indexed.
Consider a function index of an MD5 hash of the value, or use full text indexing.
/app/db/migrate/20241204221534_add_indexes_to_saved_claims.rb:5:in `change'

Caused by:
PG::ProgramLimitExceeded: ERROR: index row size 3064 exceeds btree version 4 maximum 2704 for index "idx_saved_claims_partial_metadata_like_error_and_type" (PG::ProgramLimitExceeded)
DETAIL: Index row references tuple (600210,11) in relation "saved_claims".
HINT: Values larger than 1/3 of a buffer page cannot be indexed.
Consider a function index of an MD5 hash of the value, or use full text indexing.
/app/db/migrate/20241204221534_add_indexes_to_saved_claims.rb:5:in `change'
Tasks: TOP => db:migrate
(See full trace by running task with --trace)