Update Persistence Docs (#369)

Co-authored-by: LocalStack Bot <localstack-bot@users.noreply.github.com>

Author: HarshCasper

src/data/persistence/coverage.json

@@ -419,13 +419,6 @@
     "test_suite": false,
     "limitations": "See IoT limitation"
   },
-  "iotanalytics": {
-    "service": "iotanalytics",
-    "full_name": "IoT Analytics",
-    "support": "unknown",
-    "test_suite": false,
-    "limitations": ""
-  },
   "iotwireless": {
     "service": "iotwireless",
     "full_name": "IoT Wireless",
@@ -496,20 +489,6 @@
     "test_suite": false,
     "limitations": ""
   },
-  "mediastore": {
-    "service": "mediastore",
-    "full_name": "Elemental MediaStore",
-    "support": "unknown",
-    "test_suite": false,
-    "limitations": ""
-  },
-  "mediastore-data": {
-    "service": "mediastore-data",
-    "full_name": "Elemental MediaStore Data",
-    "support": "unknown",
-    "test_suite": false,
-    "limitations": ""
-  },
   "memorydb": {
     "service": "memorydb",
     "full_name": "MemoryDB for Redis",