doc: update

Signed-off-by: Yi Zha <yizha1@microsoft.com>

Author: yizha1

.github/ISSUE_TEMPLATE/bug-or-issue.yaml

@@ -19,14 +19,6 @@ body:
     attributes:
       value: |
         Thank you for taking the time to fill out this issue report. 🛑 Please check existing issues first before continuing: https://github.com/notaryproject/notation/issues
-  - type: dropdown
-    id: area
-    validations:
-      required: true
-    attributes:
-      label: "What is the areas you experience the issue in?"
-      options: 
-        - Notation CLI
   - type: textarea
     id: verbatim
     validations:

.github/ISSUE_TEMPLATE/feature-request.yaml

@@ -50,4 +50,4 @@ body:
   - type: markdown
     attributes:
       value: |
-        If you want to contribute to this project, we will be happy to guide you through out contribution process especially when you already have a good proposal or understanding of how to improve the functionality. Join us at https://slack.cncf.io/ and choose #notary-v2 channel.
+        If you want to contribute to this project, we will be happy to guide you through out contribution process especially when you already have a good proposal or understanding of how to improve the functionality. Join us at https://slack.cncf.io/ and choose #notary-project channel.