Remove OCCIVECTOR type

Author: ValYouW

lib/oracle.js

@@ -34,7 +34,6 @@ exports.OCCIDATE = 6;
 exports.OCCITIMESTAMP = 7;
 exports.OCCINUMBER = 8;
 exports.OCCIBLOB = 9;
-exports.OCCIVECTOR = 10;
 
 // Reader is implemented in JS around a C++ handle
 // This is easier and also more efficient because we don't cross the JS/C++ boundary