sqldb/sqlc: remove deprecated FilterInvoices query

All call sites have been migrated to the targeted replacement queries
in the previous commit. Remove FilterInvoices and its associated
params struct from the SQL source and regenerate.

sqldb/sqlc/queries/invoices.sql

@@ -132,48 +132,6 @@ WHERE id <= @add_index_let
 ORDER BY id DESC
 LIMIT @num_limit OFFSET @num_offset;
 
--- name: FilterInvoices :many
-SELECT
-    invoices.*
-FROM invoices
-WHERE (
-    id >= sqlc.narg('add_index_get') OR
-    sqlc.narg('add_index_get') IS NULL
-) AND (
-    id <= sqlc.narg('add_index_let') OR
-    sqlc.narg('add_index_let') IS NULL
-) AND (
-    settle_index >= sqlc.narg('settle_index_get') OR
-    sqlc.narg('settle_index_get') IS NULL
-) AND (
-    settle_index <= sqlc.narg('settle_index_let') OR
-    sqlc.narg('settle_index_let') IS NULL
-) AND (
-    state = sqlc.narg('state') OR
-    sqlc.narg('state') IS NULL
-) AND (
-    created_at >= sqlc.narg('created_after') OR
-    sqlc.narg('created_after') IS NULL
-) AND (
-    created_at < sqlc.narg('created_before') OR
-    sqlc.narg('created_before') IS NULL
-) AND (
-    CASE
-        WHEN sqlc.narg('pending_only') = TRUE THEN (state = 0 OR state = 3)
-        ELSE TRUE
-    END
-)
-ORDER BY
-CASE
-    WHEN sqlc.narg('reverse') = FALSE OR sqlc.narg('reverse') IS NULL THEN id
-    ELSE NULL
-    END ASC,
-CASE
-    WHEN sqlc.narg('reverse') = TRUE THEN id
-    ELSE NULL
-END DESC
-LIMIT @num_limit OFFSET @num_offset;
-
 -- name: UpdateInvoiceState :execresult
 UPDATE invoices
 SET state = $2,