Remove old vector nodes.

...truffle/r/nodes/builtin/base/InfixEmulationFunctions.java

...c/com/oracle/truffle/r/nodes/builtin/base/UpdateSlot.java

...racle/truffle/r/nodes/access/array/ArrayPositionCast.java

...le/truffle/r/nodes/access/array/ContainerRowNamesGet.java

...des/access/array/PositionsArrayConversionNodeAdapter.java

...uffle/r/nodes/access/array/PositionsArrayNodeAdapter.java

...le/truffle/r/nodes/access/array/read/AccessArrayNode.java

...le/truffle/r/nodes/access/array/read/GetDimNamesNode.java

...ruffle/r/nodes/access/array/read/GetMultiDimDataNode.java

...racle/truffle/r/nodes/access/array/read/GetNamesNode.java

...e/r/nodes/access/array/read/MultiDimPosConverterNode.java

...ray/read/PositionsArrayConversionNodeMultiDimAdapter.java

...truffle/r/nodes/access/array/read/PositionsArrayNode.java

...acle/truffle/r/nodes/access/array/write/CoerceVector.java

...des/access/array/write/MultiDimPosConverterValueNode.java

...ite/PositionsArrayConversionValueNodeMultiDimAdapter.java

...e/r/nodes/access/array/write/PositionsArrayNodeValue.java

...uffle/r/nodes/access/array/write/SetMultiDimDataNode.java

...fle/r/nodes/access/array/write/UpdateArrayHelperNode.java

...untime/src/com/oracle/truffle/r/runtime/FastROptions.java