Remove old tests that have been migrated to the v8 repo.

LayoutTests/fast/js/script-tests/number-tofixed.js

-description(
-    'This test checks a few Number.toFixed cases, including ' +
-    '<a href="https://bugs.webkit.org/show_bug.cgi?id=5307">5307: Number.toFixed does not round 0.5 up</a>' +
-    ' and ' +
-    '<a href="https://bugs.webkit.org/show_bug.cgi?id=5308">5308: Number.toFixed does not include leading zero</a>' +
-    '.');
-
-shouldBe("(0).toFixed(0)", "'0'");
-
-shouldBe("(0.49).toFixed(0)", "'0'");
-shouldBe("(0.5).toFixed(0)", "'1'");
-shouldBe("(0.51).toFixed(0)", "'1'");
-
-shouldBe("(-0.49).toFixed(0)", "'-0'");
-shouldBe("(-0.5).toFixed(0)", "'-1'");
-shouldBe("(-0.51).toFixed(0)", "'-1'");
-
-shouldBe("(0).toFixed(1)", "'0.0'");
-
-shouldBe("(0.449).toFixed(1)", "'0.4'");
-shouldBe("(0.45).toFixed(1)", "'0.5'");
-shouldBe("(0.451).toFixed(1)", "'0.5'");
-shouldBe("(0.5).toFixed(1)", "'0.5'");
-shouldBe("(0.549).toFixed(1)", "'0.5'");
-shouldBe("(0.55).toFixed(1)", "'0.6'");
-shouldBe("(0.551).toFixed(1)", "'0.6'");
-
-shouldBe("(-0.449).toFixed(1)", "'-0.4'");
-shouldBe("(-0.45).toFixed(1)", "'-0.5'");
-shouldBe("(-0.451).toFixed(1)", "'-0.5'");
-shouldBe("(-0.5).toFixed(1)", "'-0.5'");
-shouldBe("(-0.549).toFixed(1)", "'-0.5'");
-shouldBe("(-0.55).toFixed(1)", "'-0.6'");
-shouldBe("(-0.551).toFixed(1)", "'-0.6'");
-
-var posInf = 1/0;
-var negInf = -1/0;
-var nan = 0/0;
-
-// From Acid3, http://bugs.webkit.org/show_bug.cgi?id=16640
-shouldBeEqualToString("(0.0).toFixed(4)", "0.0000");
-shouldBeEqualToString("(-0.0).toFixed(4)", "0.0000");
-shouldBeEqualToString("(0.0).toFixed()", "0");
-shouldBeEqualToString("(-0.0).toFixed()", "0");
-
-// From http://bugs.webkit.org/show_bug.cgi?id=5258
-shouldBeEqualToString("(1234.567).toFixed()", "1235");
-shouldBeEqualToString("(1234.567).toFixed(0)", "1235");
-// 0 equivilents
-shouldBeEqualToString("(1234.567).toFixed(null)", "1235");
-shouldBeEqualToString("(1234.567).toFixed(false)", "1235");
-shouldBeEqualToString("(1234.567).toFixed('foo')", "1235");
-shouldBeEqualToString("(1234.567).toFixed(nan)", "1235"); // nan is treated like 0
-
-shouldBeEqualToString("(1234.567).toFixed(1)", "1234.6");
-shouldBeEqualToString("(1234.567).toFixed(true)", "1234.6"); // just like 1
-shouldBeEqualToString("(1234.567).toFixed('1')", "1234.6"); // just like 1
-
-shouldBeEqualToString("(1234.567).toFixed(2)", "1234.57");
-shouldBeEqualToString("(1234.567).toFixed(2.9)", "1234.57");
-shouldBeEqualToString("(1234.567).toFixed(5)", "1234.56700");
-shouldBeEqualToString("(1234.567).toFixed(20)", "1234.56700000000000727596");
-
-// SpiderMonkey allows precision values -20 to 100, the spec only allows 0 to 20
-shouldThrow("(1234.567).toFixed(21)");
-shouldThrow("(1234.567).toFixed(100)");
-shouldThrow("(1234.567).toFixed(101)");
-shouldThrow("(1234.567).toFixed(-1)");
-shouldThrow("(1234.567).toFixed(-4)");
-shouldThrow("(1234.567).toFixed(-5)");
-shouldThrow("(1234.567).toFixed(-20)");
-shouldThrow("(1234.567).toFixed(-21)");
-
-shouldThrow("(1234.567).toFixed(posInf)");
-shouldThrow("(1234.567).toFixed(negInf)");
-
-shouldBeEqualToString("posInf.toFixed()", "Infinity");
-shouldBeEqualToString("negInf.toFixed()", "-Infinity");
-shouldBeEqualToString("nan.toFixed()", "NaN");