fix(docs): Removed redundant title prefix from templates

The title prefixes weren't necessary since new issues are automatically asigned labels anyway by the templates.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,7 +1,7 @@
 ---
 name: 'Bug report'
 about: 'Submit a bug report to improve'
-title: '[Bug report]: '
+title: ''
 labels: 'bug'
 assignees: ''
 ---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,7 @@
 ---
 name: 'Wordlist/Feature request'
 about: 'Suggest a wordlist/feature to be added'
-title: '[Feature request]: '
+title: ''
 labels: 'enhancement' # Alt: proposal
 assignees: ''
 ---

.github/ISSUE_TEMPLATE/question.md

@@ -1,7 +1,7 @@
 ---
 name: 'Question'
 about: 'Anything that does not fit in the other categories'
-title: '[Question]: '
+title: ''
 labels: 'question'
 assignees: ''
 ---