Cleaning up maths: part 2.

Renamed vector2.

SpaceCadetPinball/TEdgeSegment.cpp

@@ -20,7 +20,7 @@ void TEdgeSegment::port_draw()
 TEdgeSegment* TEdgeSegment::install_wall(float* floatArr, TCollisionComponent* collComp, char* activeFlagPtr,
                                          unsigned int collisionGroup, float offset, size_t wallValue)
 {
-	vector_type center{}, start{}, end{}, prevCenter{};
+	vector2 center{}, start{}, end{}, prevCenter{};
 	vector3 vec1{}, vec2{}, dstVec{};
 	TEdgeSegment* edge = nullptr;