Remove deprecated link (#1588)

https://www.line-community.me/ is deprecated so fixed it. 
See
https://developers.line.biz/ja/news/2023/12/13/developers-community-page-released/

Author: eucyt

.github/ISSUE_TEMPLATE.md

@@ -2,7 +2,6 @@
 
 - Check [documentation](https://developers.line.me/en/docs/) and [FAQ](https://developers.line.me/en/faq/messaging-api/) page for more information on LINE bots and Messaging API
 - Make sure your issue is **related to** the LINE Bot SDK
-- For general queries about LINE bots, post a question to [LINE developers community](https://www.line-community.me/questions) website
 - Note that we don't provide technical support
 
 ## If you still need to create an issue

.github/ISSUE_TEMPLATE/bug_report.md

@@ -8,7 +8,7 @@ assignees:
 ---
 
 ## Bug Report
-<!-- First of all: Have you checked the docs https://developers.line.biz/en/docs/messaging-api/overview/, Q&A page https://developers.line.biz/en/faq/, https://www.line-community.me/questions, GitHub issues whether someone else has already reported your issue? -->
+<!-- First of all: Have you checked the docs https://developers.line.biz/en/docs/messaging-api/overview/, Q&A page https://developers.line.biz/en/faq/, GitHub issues whether someone else has already reported your issue? -->
 
 **Describe the bug**
 A clear and concise description of what the bug is.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -8,7 +8,7 @@ assignees:
 ---
 
 ## Feature Request
-<!-- First of all: Have you checked the docs https://developers.line.biz/en/docs/messaging-api/overview/, Q&A page https://developers.line.biz/en/faq/, https://www.line-community.me/questions, GitHub issues whether someone else has already reported your issue? -->
+<!-- First of all: Have you checked the docs https://developers.line.biz/en/docs/messaging-api/overview/, Q&A page https://developers.line.biz/en/faq/, GitHub issues whether someone else has already reported your issue? -->
 
 **Is your feature request related to a problem? Please describe.**
 A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]