Microsoft has added telemetry, aka spyware, as a back port to Windows 7 and 8.
To remove the updates and remove the Windows 10 nagware icon from Windows 7:
Run as Administrator in command prompt:
wusa /uninstall /kb:3068708 /quiet /norestart
wusa /uninstall /kb:3022345 /quiet /norestart
wusa /uninstall /kb:3075249 /quiet /norestart
wusa /uninstall /kb:3080149 /quiet /norestart
wusa /uninstall /kb:3035583 /quiet /norestart
wusa /uninstall /kb:2954664 /quiet /norestart