Remove redundant issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,38 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots**
-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]
- - Version [e.g. 22]
-
-**Additional context**
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/prerelease-bug-report.md

@@ -1,49 +0,0 @@
----
-name: Release Preview Bug report
-about: report a bug with a release preview (eg, 2.4.0-beta1)
-title: [PRE-RELEASE] 
-labels: PRE-RELEASE BUG
-assignees: 'droidmonkey'
-
----
-
-[TIP]:  # ( Provide a general summary of the issue in the title above ^^ )
-[TIP]:  # ( DO NOT include screenshots of your actual database! )
-
-## Expected Behavior
-[NOTE]: # ( Tell us what you expected to happen )
-
-
-## Current Behavior
-[NOTE]: # ( Tell us what actually happens )
-
-
-## Possible Solution
-[NOTE]: # ( Not required, but suggest a fix/reason for the bug )
-
-
-## Steps to Reproduce
-[NOTE]: # ( Provide a link to a live example, or an unambiguous set of steps to )
-[NOTE]: # ( reproduce this bug. Include code to reproduce, if relevant )
-1.
-2.
-3.
-
-## Context
-[NOTE]: # ( How has this issue affected you? What unique circumstances do you have? )
-
-
-## Debug Info
-[NOTE]: # ( Paste debug info from Help → About here )
-KeePassXC - VERSION
-Revision: REVISION
-
-Libraries:
-- LIBS
-
-Operating system: OS
-CPU architecture: ARCH
-Kernel: KERNEL
-
-Enabled extensions:
-- EXTENSIONS