phabricator: use templatefilters.json in writediffproperties
Instead of json.dumps, since it makes the code simpler and more readable.
This would have been the better option for
8fd19a7b4ed6 but I wasn't aware of
it at the time.
Differential Revision: https://phab.mercurial-scm.org/D6295
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2