[DevTools] Removed wasThrown from evaluate-like protocol methods

third_party/WebKit/LayoutTests/inspector-protocol/runtime/runtime-evaluate-in-default-context-expected.txt

 Tests that default execution context is selected correctly. 
 {
     id : 0
     result : {
         result : {
             description : 42
             type : number
             value : 42
         }
-        wasThrown : false
     }
 }