There are couple of way to uninstall Free Snipping Tool from your computer if you are using the latest version of Windows 11.
From Control Panel
Applicable: Windows 11, Windows 10, Windows 8, Windows 7
Search the control panel on Windows Search by clicking the Windows Start button (in the left-bottom corner).
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Next click Programs and Features
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On the next window, lookup for Free Snipping Tool, and click uninstall option.
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Click Yes on the confirmation box.
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This will start the uninstallation process, and wait for it to finish to complete the installation.
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From Apps and features
Applicable: Windows 11, Windows 10
Search Apps and features on Windows Start and click it to open.
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On the next windows, locate Free Snipping Tool, click the three dots button and click uninstall.
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Wait for the uninstallation to finish.
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