Cleared some of the bugs caused by duplicate urls and blank spaces

Author: LogicalGagan

README.md

@@ -1663,14 +1663,12 @@ Numerous organizations frequently share their insights and expertise, encompassi
 * [AWS Observability Recipes](https://aws-observability.github.io/aws-o11y-recipes/)
 * [Awesome Sysadmin](https://github.com/awesome-foss/awesome-sysadmin)
 * [Cloudflare - Incident Analysis and Response](https://blog.cloudflare.com/cloudflare-incident-on-august-21-2025/)
-* [Dropbox - Monitoring Server Applications with Vortex](https://dropbox.tech/infrastructure/monitoring-server-applications-with-vortex)
 * [Google Cloud SRE Page](https://cloud.google.com/sre)
 * [Google SRE Classroom](https://sre.google/classroom/)
 * [Google SRE Page](https://sre.google/)
 * [Google SRE - Blameless Postmortem Culture](https://sre.google/sre-book/postmortem-culture/)
 * [Google SRE - Incident Response and Analysis](https://sre.google/workbook/incident-response/)
 * [Microsoft SRE Page](https://docs.microsoft.com/en-us/azure/site-reliability-engineering/)
-* [Netflix - Centralized Site Reliability Practice](https://netflixtechblog.com/keeping-customers-streaming-the-centralized-site-reliability-practice-at-netflix-205cc37aa9fb)
 * [PagerDuty - Incident Response Automation](https://www.pagerduty.com/blog/automation/from-alert-to-resolution-how-incident-response-automation-cuts-mttr-and-closes-gaps/)
 * [School of SRE from LinkedIn](https://linkedin.github.io/school-of-sre/)
 * [Spotify - Incident Management Practices](https://engineering.atspotify.com/2013/06/04/incident-management-at-spotify)