docs: Update volunteer opportunities index page

Author: neural-loop

content/volunteer-opportunities/_index.md

@@ -4,5 +4,3 @@ description: "Find opportunities to contribute your skills and passion to the Op
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 Open Neuromorphic is a community-driven initiative, and our success depends on the active participation of volunteers like you. We have a variety of roles and tasks available for individuals who want to contribute their skills, learn new ones, and help us grow.
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-Below are the current opportunities where you can make a real impact. If you don't see a role that fits but still want to help, please join our [Discord](https://discord.gg/hUygPUdD8E) and introduce yourself in the `#welcome` channel!