Do not validate that all parameters have documentation

In particular, not all members of syntax nodes have documentation and it is not realistic to add meaningful documentation to all of them in the near future.

Author: ahoppen

SwiftSyntaxDevUtils/Sources/swift-syntax-dev-utils/commands/VerifyDocumentation.swift

@@ -60,7 +60,7 @@ struct VerifyDocumentation: ParsableCommand {
         "-scheme",
         product,
         "-destination", "platform=macOS",
-        "OTHER_DOCC_FLAGS='--warnings-as-errors'",
+        "OTHER_DOCC_FLAGS=--warnings-as-errors --disable-parameters-and-returns-validation",
       ]
     ).run(captureStdout: false, captureStderr: false, verbose: self.verbose)
   }