update README, remove un necessary instructions

README.md

@@ -64,17 +64,6 @@ jsxhint --jsx-only .
 
 There is a precommit hook that lints the code before commiting the changes.
 
-### Load unpacked in Chrome (current in chrome store)
-
-1. Clone repository to disk
-2. Remove `browser_specific_settings` key from manifest.json (only necessary for firefox)
-3. Go to `Settings` → `Extensions`
-4. Enable `Developer mode`
-5. Click `Load unpacked extension...`
-6. Select repository directory
-
-![load reportistory directory](./screenshots/load-repo-folder.png)
-
 ### Troubleshooting
 
 Check for errors by inspecting the extension.

src/core/WakaTimeCore.ts

@@ -351,7 +351,7 @@ class WakaTimeCore {
 
   getOperatingSystem(): Promise<string> {
     return new Promise((resolve) => {
-      chrome.runtime.getPlatformInfo(function(info) {
+      chrome.runtime.getPlatformInfo(function (info) {
         resolve(`${info.os}_${info.arch}`);
       });
     });