An IBM executive says the company's “work force rebalancing” act won’t pack as big of a punch in 2017. For the nine months ended Sept. 30, IBM spent more than $1 billion in work force rebalancing charges – more than an 80 percent increase from the same time period in 2015, according to securities filings. Chief Finance Officer Martin Schroeter told analysts this week, however, not to expect as big of an impact in 2017. “I don’t see the same level we saw last year,” he said of rebalancing…