LibJS: Make a slash after a curly close mean not-division

There's no grammar rule that allows this.

Userland/Libraries/LibJS/Lexer.cpp

@@ -360,7 +360,6 @@ bool Lexer::slash_means_division() const
     return type == TokenType::BigIntLiteral
         || type == TokenType::BoolLiteral
         || type == TokenType::BracketClose
-        || type == TokenType::CurlyClose
         || type == TokenType::Identifier
         || type == TokenType::NullLiteral
         || type == TokenType::NumericLiteral

Userland/Libraries/LibJS/Tests/syntax/slash-after-block.js

@@ -0,0 +1,6 @@
+test("slash token resolution in lexer", () => {
+    expect(`{ blah.blah; }\n/foo/`).toEval();
+    expect("``/foo/").not.toEval();
+    expect("1/foo/").not.toEval();
+    expect("1/foo").toEval();
+});