[DevTools] Removed wasThrown from evaluate-like protocol methods

third_party/WebKit/LayoutTests/inspector-protocol/runtime/runtime-evaluate-async-expected.txt

 CONSOLE ERROR: Uncaught (in promise) 239
 Tests that Runtime.evaluate works with awaitPromise flag.
 
 Running test: testResolvedPromise
 {
     result : {
         description : 239
         type : number
         value : 239
     }
 }
 
 Running test: testRejectedPromise
 {
     exceptionDetails : {
         columnNumber : 0
         lineNumber : 0
         scriptId : 
         stackTrace : {
             callFrames : [
             ]
         }
         text : Promise was rejected
     }
     result : {
         description : 239
         type : number
         value : 239
     }
-    wasThrown : true
 }
 
 Running test: testPrimitiveValueInsteadOfPromise
 {
     code : -32000
     message : Result of the evaluation is not a promise
 }
 
 Running test: testObjectInsteadOfPromise
 {
@@ skipping 17 matching lines @@
         columnNumber : 0
         lineNumber : 0
         scriptId : 
         text : Uncaught 239
     }
     result : {
         description : 239
         type : number
         value : 239
     }
-    wasThrown : true
 }