QB Issue Resolution:

List menu > Templates. Double-click those you use to Edit one. In Basic Customization, bottom left, remove checkmarks for fields you don’t want to include. Or, disable all of them, then Hardcode what you wanting using Layout Designer view, Add Text Box. Position it, input the text, change Properties, etc.

Resolution for Issue 'Can I remove my company address from customer invoices, and just have my email and phone number there' available: Yes (Solved).
Source: Intuit Community forum.

Can I remove my company address from customer invoices, and just have my email and phone number there: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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