lint: Remove trailing whitespace from json files.

Author: amanagr

zulip_bots/zulip_bots/bots/google_translate/fixtures/test_invalid_api_key.json

@@ -8,12 +8,12 @@
     }
   },
   "response": {
-    "error":{  
+    "error":{
       "status": "INVALID_ARGUMENT",
       "message": "API key not valid. Please pass a valid API key.",
       "code": 400,
-      "errors": [  
-        {  
+      "errors": [
+        {
           "domain":"global",
           "message":"API key not valid. Please pass a valid API key.",
           "reason":"badRequest"

zulip_bots/zulip_bots/bots/jira/fixtures/test_create.json

@@ -8,11 +8,11 @@
     "json": {
       "fields": {
         "summary": "Testing",
-        "project": { 
-          "key": "TEST" 
+        "project": {
+          "key": "TEST"
         },
-        "issuetype": { 
-          "name": "Task" 
+        "issuetype": {
+          "name": "Task"
         }
       }
     }

zulip_bots/zulip_bots/bots/jira/fixtures/test_create_error.json

@@ -8,18 +8,18 @@
     "json": {
       "fields": {
         "summary": "Testing",
-        "project": { 
-          "key": "TEST" 
+        "project": {
+          "key": "TEST"
         },
-        "issuetype": { 
-          "name": "Task" 
+        "issuetype": {
+          "name": "Task"
         }
         ,"description": "This is a test description",
-        "assignee": { 
-          "name": "testuser" 
+        "assignee": {
+          "name": "testuser"
         },
-        "priority": { 
-          "name": "Medium" 
+        "priority": {
+          "name": "Medium"
         },
         "labels": ["issues","testing"],
         "duedate": "2018-06-11"

zulip_bots/zulip_bots/bots/jira/fixtures/test_edit_error.json

@@ -8,18 +8,18 @@
     "json": {
       "fields": {
         "summary": "Change the summary",
-        "project": { 
-          "key": "TEST" 
+        "project": {
+          "key": "TEST"
         },
-        "issuetype": { 
-          "name": "Bug" 
+        "issuetype": {
+          "name": "Bug"
         },
         "description": "This is a test description",
-        "assignee": { 
-          "name": "testuser" 
+        "assignee": {
+          "name": "testuser"
         },
-        "priority": { 
-          "name": "Low" 
+        "priority": {
+          "name": "Low"
         },
         "labels": ["issues","testing"],
         "duedate": "2018-06-11"

zulip_bots/zulip_bots/bots/stack_overflow/fixtures/test_multi_word.json

@@ -14,7 +14,7 @@
         },
         "items": [
             {
-                "title":"What is flutter/dart and what are its benefits over other tools?", 
+                "title":"What is flutter/dart and what are its benefits over other tools?",
                 "link":"https://stackoverflow.com/questions/49023008/what-is-flutter-dart-and-what-are-its-benefits-over-other-tools"
             }
         ]

zulip_bots/zulip_bots/bots/stack_overflow/fixtures/test_number_query.json

@@ -14,7 +14,7 @@
         },
         "items": [
             {
-                "title":"INSTALL_FAILED_NO_MATCHING_ABIS res-113", 
+                "title":"INSTALL_FAILED_NO_MATCHING_ABIS res-113",
                 "link":"https://stackoverflow.com/questions/47117788/install-failed-no-matching-abis-res-113"
             },
             {

zulip_bots/zulip_bots/bots/stack_overflow/fixtures/test_single_word.json

@@ -14,7 +14,7 @@
         },
         "items": [
             {
-                "title":"What exactly is RESTful programming?", 
+                "title":"What exactly is RESTful programming?",
                 "link":"https://stackoverflow.com/questions/671118/what-exactly-is-restful-programming"
             },
             {