[web] Remove duplicate thread[Name/Description]Disabled props in ThreadSettingsGeneralTab component
Summary:
These props both get inputDisabled passed in from the parent component, so they can be "flattened" into a single prop.
Depends on D3825
Test Plan:
- Open ThreadSettingsModal
- Make sure that the "General" tab continues to look/work as expected
Reviewers: def-au1t, palys-swm, ashoat
Reviewed By: palys-swm, ashoat
Subscribers: ashoat, Adrian, karol-bisztyga, yayabosh
Differential Revision: https://phabricator.ashoat.com/D3826