Fix publishing errors (#16253)
Fix publishing errors (#16253)

Fix two errors:
    * Remove unneeded signed symbol catalog injection
    * Build definition is not importing becuase of duplicated task name.
cshung/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,poizan42/coreclr,ruben-ayrapetyan/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,krk/coreclr,wtgodbe/coreclr,yizhang82/coreclr,ruben-ayrapetyan/coreclr,poizan42/coreclr,yizhang82/coreclr,wtgodbe/coreclr,yizhang82/coreclr,krk/coreclr,cshung/coreclr,wtgodbe/coreclr,ruben-ayrapetyan/coreclr,ruben-ayrapetyan/coreclr,mmitche/coreclr,mmitche/coreclr,poizan42/coreclr,poizan42/coreclr,poizan42/coreclr,krk/coreclr,yizhang82/coreclr,wtgodbe/coreclr,mmitche/coreclr,wtgodbe/coreclr,mmitche/coreclr,cshung/coreclr,cshung/coreclr,mmitche/coreclr,mmitche/coreclr,cshung/coreclr,krk/coreclr,cshung/coreclr,yizhang82/coreclr,poizan42/coreclr,yizhang82/coreclr,krk/coreclr