Don't return results with deleted channels

Nobody has claimed this yet.

Probably related to: https://github.com/lbryio/hub/issues/76

```{"method": "claim_search", "params":{"no_totals": true, "order_by": ["trending_group", "trending_mixed"], "claim_type": ["stream", "repost"], "stream_types": ["audio", "video"], "limit_claims_per_channel": 999, "page": 1, "page_size": 20, "release_time": ">1645103286", "channel_ids": ["80d2590ad04e36fb1d077a9b9e3a8bba76defdf8", "a8d1094b9c6624f59f19f6e139152d1e00caa9f4", "d4d17e20bec31c971b1ab6370a11203ccec095a4", "4841ccaac983b40eff8c7724afd31f4163277cbe", "5b0b41c364c89c5cb13f011823e0d6ee9b89af26", "5a1b164d0a2e7adf1db08d7363ea1cb06c30cd74", "7566c26e4b0e51d84900b8f153fc6f069ad09ef7", "3346a4ff80b70ee7eea8a79fc79f19c43bb4464a", "2b6c71a57bad61e17276ba9b9e4c58959cad1d7b", "273163260bceb95fa98d97d33d377c55395e329a", "c5cd9b63e2ba0abc191feae48238f464baecb147", "96043a243e14adf367281cc9e8b6a38b554f4725", "719b2540e63955fb6a90bc4f2c4fd9cfd8724e1a", "589276465a23c589801d874f484cc39f307d7ec7", "5e0333be82071767a3aa44a05bb77dcec4c30341", "32d4c07ecf01f2aeee3f07f9b170d9798b5e1d37", "25f384bd95e218f6ac37fcaca99ed40f36760d8c", "48c7ea8bc2c4adba09bf21a29689e3b8c2967522", "18b0d45be9f72c3c20a47f992325cb0f8af0fe7c", "fee415182e20af42122bea8d1682dc6a4d99a0d6", "d2af9d4cec08f060dfe47510f6b709ebf01d5686", "49fe7ca8bb2f7a794b1cba1d877d98dae520ac73", "ba79c80788a9e1751e49ad401f5692d86f73a2db", "c1a5fd043a1dbc8ff4ec992aefc482c970e7568e", "b6e207c5f8c58e7c8362cd05a1501bf2f5b694f2", "fb364ef587872515f545a5b4b3182b58073f230f", "beddc710e4a9f8f296fa3a6d7ea13f816422ffa5", "e4264fc7a7911ce8083a61028fe47e49c74100cf", "f3e79bf8229736a9f3ae208725574436e9d4ac03", "f1dff225e758dd5bc8ab8b91894096215297b2be", "468aa10ee3f12f0ba6cf2641f11e558c841f12fa", "b6a8abdc754fd7f86d571fd98a04deaac4cef889", "3808a556e5994e51b7e6b86f1173fdaf558dfd4e", "af927bd2092e7383789df183ff1eaf95c7041ee9", "7566c26e4b0e51d84900b8f153fc6f069ad09ef7", "b3c1ec3211a801de8ac0ef979467da4c721c0ec4", "3f89fd1bb05eb81f1b159d7f9d3cf15431ede280", "15627c8d79e7c45b15fbe726b34d47accf11b8e2", "a3e35f723d9ad82159b4858ad628e090d0e372df", "6f3940e512a40f2ac8068103bd9195fa07107043", "1487afc813124abbeb0629d2172be0f01ccec3bf", "76283e4cd0168e392128124a013c8335a987186d", "a87ee0c50662b13f11b6fdd3eefd4cee17930599", "1eb4bf3b47b07f646d760c0accf7a4295aa89024", "04a11f1d97ec47103239322f921673c1c4b9bb10", "abf8c3b0426cd89fce01770a569d525c648a92b5", "9d37b138c50014eaaf9d5e6110d58250acc521fd", "9dc7f2791db1fefb0f4aea2c856b9ecea6f3f5d0", "dcdfcd5b837a6ce46d4e8c997b1bf9a9d294d4f4", "8d497e7e96c789364c56aea7a35827d2dc1eea65", "e5872eb7237883e4158cf88e96a465f7a674c968", "3e63119a8503a6f666b0a736c8fdeb9e79d11eb4", "a29db3ebf677f1fe317ca4ecf0a65a172d4735be", "d3f050228497b023747fe18d6639105c89611255", "871ba605db0cad46e43081c4b3d942b80696359f", "4a7f6709df6770e0786b04599fb00262a98d220b", "d273a5d2b57785d19d4c123255bc54f9e45f7e83", "3511b71e5843ae53c35a5fff3e6ef7a3377dd0f7", "bc935e4482c6bf70d14dd872fae159a65c552eb3"], "not_tags": ["porn", "porno", "nsfw", "mature", "xxx", "sex", "creampie", "blowjob", "handjob", "vagina", "boobs", "big boobs", "big dick", "pussy", "cumshot", "anal", "hard fucking", "ass", "fuck", "hentai", "pron", "p0rn", "pr0n", "s3x", "camporn", "fetish", "pornographic", "pornography"]}}```
returns:
```
{
"jsonrpc": "2.0",
"result": {
"lbry://super-easy-and-tasty-greek-pita-bread": {
"address": "bDdShxA5qBbcsqckEBTu2gb9pH8C1ZN26r",
"amount": "0.002",
"canonical_url": "lbry://super-easy-and-tasty-greek-pita-bread#2",
"claim_id": "23b558d8d1fc11b525080823baf628a3901bc75d",
"claim_op": "create",
"confirmations": 3169,
"height": 1206989,
"is_channel_signature_valid": false,
"meta": {
"activation_height": 1206989,
"creation_height": 1206989,
"creation_timestamp": 1660145586,
"effective_amount": "16.32699039",
"expiration_height": 3309389,
"is_controlling": true,
"reposted": 2,
"support_amount": "16.32499039",
"take_over_height": 1206989,
"trending_global": 0.0,
"trending_group": 0,
"trending_local": 0.0,
"trending_mixed": 0.0
},
"name": "super-easy-and-tasty-greek-pita-bread",
"normalized_name": "super-easy-and-tasty-greek-pita-bread",
"nout": 0,
"permanent_url": "lbry://super-easy-and-tasty-greek-pita-bread#23b558d8d1fc11b525080823baf628a3901bc75d",
"short_url": "lbry://super-easy-and-tasty-greek-pita-bread#2",
"signing_channel": {
"channel_id": "04a11f1d97ec47103239322f921673c1c4b9bb10"
},
"timestamp": 1660145586,
"txid": "678e8add6c0f7ea2d4176410893d7517d5b7744ce12b3611289d7b826ca14d3f",
"type": "claim",
"value": {
```

Start with the claim_search request and returned result shown in the issue, then trace how channel_ids and deleted channels are handled. Reproduce the example with a deleted channel and verify that results associated with deleted channels are omitted.

Written by the indexing model from the issue text.