Remove irrelevant vector dimension test

A better verification is already performed

src/language/ASTNodeDataTypeBuilder.cpp

@@ -103,11 +103,7 @@ ASTNodeDataTypeBuilder::_buildNodeDataTypes(ASTNode& n) const
           ASTNodeNaturalConversionChecker{*child, ASTNodeDataType::double_t};
         }
 
-        if (n.children.size() <= 3) {
         n.m_data_type = ASTNodeDataType{ASTNodeDataType::vector_t, n.children.size()};
-        } else {
-          throw parse_error("invalid vector dimension (must be lesser than 3)", n.begin());
-        }
 
       } else if (n.is_type<language::literal>()) {
         n.m_data_type = ASTNodeDataType::string_t;