Remove obsolete pyright setting "reportShadowedImports" (#15027)

Removed in 1.1.406: https://github.com/microsoft/pyright/releases/tag/1.1.406

pyrightconfig.json

@@ -28,8 +28,6 @@
     // No effect in stubs
     "reportMissingSuperCall": "none",
     "reportUninitializedInstanceVariable": "none",
-    // stdlib stubs trigger reportShadowedImports
-    "reportShadowedImports": "none",
     // Stubs are allowed to use private variables
     "reportPrivateUsage": "none",
     // Stubs don't need the actual modules to be installed

pyrightconfig.scripts_and_tests.json

@@ -14,7 +14,6 @@
     "reportImplicitStringConcatenation": "none",
     // Extra strict settings
     "reportMissingModuleSource": "error",
-    "reportShadowedImports": "error",
     "reportCallInDefaultInitializer": "error",
     "reportPropertyTypeMismatch": "error",
     "reportUninitializedInstanceVariable": "error",

pyrightconfig.stricter.json

@@ -108,8 +108,6 @@
     // No effect in stubs
     "reportMissingSuperCall": "none",
     "reportUninitializedInstanceVariable": "none",
-    // stdlib stubs trigger reportShadowedImports
-    "reportShadowedImports": "none",
     // Stubs are allowed to use private variables
     "reportPrivateUsage": "none",
     // Stubs don't need the actual modules to be installed

pyrightconfig.testcases.json

@@ -6,7 +6,6 @@
     ],
     "typeCheckingMode": "strict",
     // Extra strict settings
-    "reportShadowedImports": "error", // Don't accidentally name a file something that shadows stdlib
     "reportImplicitStringConcatenation": "error",
     "reportUninitializedInstanceVariable": "error",
     "reportUnnecessaryTypeIgnoreComment": "error",