Remove references to the class Interpreter

[tesonep]

Opal references the old Interpreter class that is in the VM code.

IRPrimitive >> #printPrimitiveOn:

To remove:

	(primIndex ~= 117 and: [ primIndex ~= 120 ])
		ifTrue: [ 
			Smalltalk
				at: #Interpreter
				ifPresent: [ :cls | 
					aStream
						nextPutAll: ' "';
						nextPutAll: ((cls classPool at: #PrimitiveTable) at: primIndex + 1);
						nextPutAll: '" ' ] ]