Deleting yul unimplemented test.

test/cmdlineTests/yul_unimplemented/args

@@ -1 +0,0 @@
---ir --error-codes

test/cmdlineTests/yul_unimplemented/err

@@ -1,5 +0,0 @@
-Error (1834): Unimplemented feature error in <FILENAME REMOVED>
- --> yul_unimplemented/input.sol:6:16:
-  |
-6 |         return type(test).name;
-  |                ^^^^^^^^^^^^^^^

test/cmdlineTests/yul_unimplemented/exit

@@ -1 +0,0 @@
-1

test/cmdlineTests/yul_unimplemented/input.sol

@@ -1,8 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0
-pragma solidity >=0.0;
-pragma abicoder v2;
-contract test {
-    function f() public pure returns (string memory) {
-        return type(test).name;
-    }
-}