version: revert version through ldflag only (#6494)

## Description

Add version back to versions, but allow it to be overridden via a ldflag.

Reason:

Many users are not setting the ldflag causing issues with tooling that relies on it (cosmjs)

closes #6488

cc @webmaster128

statesync/syncer_test.go

@@ -33,7 +33,7 @@ func TestSyncer_SyncAny(t *testing.T) {
 				Block: version.BlockProtocol,
 				App:   0,
 			},
-			Software: version.TMCoreSemVer,
+			Software: version.TMVersion,
 		},
 
 		LastBlockHeight: 1,