remove unneeded parens
remove unneeded parens

astashov/dartdocs.org,astashov/dartdocs.org,astashov/dartdoc-generator,astashov/dartdoc-generator,astashov/dartdocs.org,astashov/dartdocorg,astashov/dartdoc-generator,astashov/dartdocorg,astashov/dartdocorg