[syncd] Fix access coldvid table per switch (sonic-net#866)

Signed-off-by: kcudnik <[email protected]>

Author: kcudnik

syncd/RedisClient.cpp

@@ -10,8 +10,11 @@
 
 using namespace syncd;
 
+// vid and rid maps contains objects from all switches
 #define VIDTORID                    "VIDTORID"
 #define RIDTOVID                    "RIDTOVID"
+
+// those here are per switch
 #define LANES                       "LANES"
 #define HIDDEN                      "HIDDEN"
 #define COLDVIDS                    "COLDVIDS"
@@ -664,7 +667,9 @@ void RedisClient::removeColdVid(
 
     auto strVid = sai_serialize_object_id(vid);
 
-    m_dbAsic->hdel(COLDVIDS, strVid);
+    auto key = getRedisColdVidsKey(vid);
+
+    m_dbAsic->hdel(key, strVid);
 }
 
 std::unordered_map<std::string, std::string> RedisClient::getAttributesFromAsicKey(