Remove last bits of strictTuples flag

src/harness/unittests/configurationExtension.ts

@@ -16,12 +16,6 @@ namespace ts {
                 strictNullChecks: false
             }
         },
-        "/dev/tsconfig.strictTuples.json": {
-            extends: "./tsconfig",
-            compilerOptions: {
-                strictTuples: false
-            }
-        },
         "/dev/configs/base.json": {
             compilerOptions: {
                 allowJs: true,

src/harness/unittests/transpile.ts

@@ -410,10 +410,6 @@ var x = 0;`, {
             options: { compilerOptions: { strictNullChecks: true }, fileName: "input.js", reportDiagnostics: true }
         });
 
-        transpilesCorrectly("Supports setting 'strictTuples'", "x;", {
-            options: { compilerOptions: { strictTuples: true }, fileName: "input.js", reportDiagnostics: true }
-        });
-
         transpilesCorrectly("Supports setting 'stripInternal'", "x;", {
             options: { compilerOptions: { stripInternal: true }, fileName: "input.js", reportDiagnostics: true }
         });

src/server/protocol.ts

@@ -2542,7 +2542,6 @@ namespace ts.server.protocol {
         sourceRoot?: string;
         strict?: boolean;
         strictNullChecks?: boolean;
-        strictTuples?: boolean;
         suppressExcessPropertyErrors?: boolean;
         suppressImplicitAnyIndexErrors?: boolean;
         target?: ScriptTarget | ts.ScriptTarget;