Please note that you wrote to the ResearchGate community, not to the RG team. However, the support team will not help in such cases, you can manage it yourself. See the following help pages for instructions:
"How do I edit my research item's details?" in https://help.researchgate.net/hc/en-us/articles/14293081125777-Reviewing-editing-and-featuring-your-research
"A publication in my profile doesn’t belong to me" in https://help.researchgate.net/hc/en-us/articles/14292798510993
"How to make content private or remove it", https://help.researchgate.net/hc/en-us/articles/14293099743121