removed dead code

Signed-off-by: Peter Alfonsi <[email protected]>

server/src/main/java/org/opensearch/indices/IndicesRequestCache.java

@@ -251,11 +251,6 @@ void invalidate(CacheEntity cacheEntity, DirectoryReader reader, BytesReference
         tieredCacheService.invalidate(new Key(cacheEntity, cacheKey, readerCacheKeyId));
     }
 
-    // Passed to TieredCacheService as its V -> W transformation function for inspecting BytesReferences in policies
-    public static QuerySearchResult convertBytesReferenceToQSR(BytesReference data) throws IOException, IllegalStateException {
-        return new QuerySearchResult(data.streamInput());
-    }
-
     public static CachePolicyInfoWrapper getPolicyInfo(BytesReference data) throws IOException {
         // Reads the policy info corresponding to this QSR, written in IndicesService$loadIntoContext,
         // without having to create a potentially large short-lived QSR object just for this purpose

server/src/test/java/org/opensearch/indices/IndicesRequestCacheTests.java

@@ -550,16 +550,6 @@ private static BytesReference getQSRBytesReference(long tookTimeNanos) throws IO
         return out.bytes();
     }
 
-    public void testBytesReferenceToQSRFunction() throws Exception {
-        BytesReference badQSR = new BytesArray("I love bytes!!!");
-        long ttn = 1000L;
-        BytesReference goodQSR = getQSRBytesReference(ttn);
-        //assertThrows(IOException.class, () -> IndicesRequestCache.convertBytesReferenceToQSR(badQSR));
-        // TODO: Uncomment this line if we decide to enforce IRC only accepting BytesReferences which can become QSRs.
-        QuerySearchResult unpackedQSR = IndicesRequestCache.convertBytesReferenceToQSR(goodQSR);
-        assertEquals(ttn, (long) unpackedQSR.getTookTimeNanos());
-    }
-
     private class TestBytesReference extends AbstractBytesReference {
 
         int dummyValue;