fix: Adjusts github issue template from feedback

https://github.com/ethereum/remix-project/pull/4715

.github/ISSUE_TEMPLATE/bug_report.md

@@ -24,14 +24,8 @@ A clear and concise description of what you expected to happen.
 If applicable, add screenshots to help explain your problem.
 
 **Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
-
-**Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
+ - OS: [e.g. Windows, Linux or MacOS]
+ - Browser [e.g. chrome, firefox]
  - Version [e.g. 22]
 
 **Additional context**