Simplified the logic in various functions.
Summary:
- Tidied up ArcanistCSSLintLinter::getDefaultBinary.
- Tidied up CSSLintLinter::getDefaultFlags function.
- Tidied up ArcanistPhpcsLinter::getDefaultBinary function.
- Tidied up ArcanistPEP8Linter::getDefaultFlags function
- Tidied up ArcanistFlake8Linter::getDefaultFlags.
- Tidied up ArcanistCppcheckLinter::getLintOptions.
- Tidied up ArcanistCppcheckLinter::getLintPath.
- Tidied up ArcanistCpplintLinter::getLintOptions.
- Tidied up ArcanistCpplintLinter::getLintPath.
- Removed child functions which are identical to the corresponding parent functions.
Test Plan: arc lint and arc unit.
Reviewers: Blessed Reviewers, epriestley
Reviewed By: epriestley
CC: chad, Korvin, epriestley, aran
Differential Revision: https://secure.phabricator.com/D8385