[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/content/pages/guidelines.mdx

@@ -227,5 +227,3 @@ As you see people walking around the session, or even looking at yours, start a
 non-intrusive way (a friendly “Hey there!” is a great opener!). Ask a few questions about why
 they’re at the conference, and gently steer the conversation towards your poster. Before you know it
 you’ll be having a blast!
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