Merge pull request #4614 from taosdata/revert-4565-fix/TD-2340

Revert "[TD-2340]<fix>: reserve field uint32_t crc for checksums"

src/inc/taosmsg.h

@@ -199,8 +199,7 @@ typedef struct {
 } SMsgDesc;
 
 typedef struct SMsgVersion {
-  char     clientVersion[TSDB_VERSION_LEN];
-  uint32_t crc;
+  char clientVersion[TSDB_VERSION_LEN];
 } SMsgVersion;
 
 typedef struct SMsgHead {