Fixed some clang -Wextra-semi-stmt warnings

Author: seanm

packages/seacas/libraries/ioss/src/Ioss_Region.C

@@ -941,7 +941,6 @@ namespace Ioss {
       }
     }
     return ++stateCount;
-    ;
   }
 
   /** \brief Get the time corresponding to the specified state or the currently active state.

packages/seacas/libraries/ioss/src/Ioss_SmartAssert.C

@@ -48,7 +48,7 @@ namespace Ioss {
         out << "Assertion failed (level=" << nLevel << ")";
         return out.str();
       }
-      };
+      }
     }
 
     // helpers, for dumping the assertion context

packages/seacas/libraries/ioss/src/exodus/Ioex_BaseDatabaseIO.C

@@ -1176,7 +1176,6 @@ namespace Ioex {
         // There should have been a warning/error message printed to the
         // log file earlier for this, so we won't print anything else
         // here since it would be printed for each and every timestep....
-        ;
       }
       else {
         IOSS_ERROR(fmt::format(