checker: remove resolved vfmt workaround and TODO (#21175)

vlib/v/checker/tests/modules/deprecated_module.out

@@ -1,19 +1,18 @@
-vlib/v/checker/tests/modules/deprecated_module/main.v:5:1: notice: module `deprecated_module.www.ttt` will be deprecated after 2999-01-01, and will become an error after 2999-06-30; use xxx.yyy
-    3 | // That is unrelated to what this file tests, but should be investigated further and fixed when the module lookup disrepancy is fixed.
-    4 | import bbb.ccc
-    5 | import www.ttt
+vlib/v/checker/tests/modules/deprecated_module/main.v:2:1: notice: module `deprecated_module.www.ttt` will be deprecated after 2999-01-01, and will become an error after 2999-06-30; use xxx.yyy
+    1 | import bbb.ccc
+    2 | import www.ttt
       | ~~~~~~~~~~~~~~
-    6 | import xxx.yyy
-    7 | // vfmt on
-vlib/v/checker/tests/modules/deprecated_module/main.v:16:11: error: undefined ident: `deprecated_module.www.ttt.non_existing`
-   14 |     dump(ttt.f())
-   15 |     dump(yyy.f())
-   16 |     dump(ttt.non_existing)
+    3 | import xxx.yyy
+    4 |
+vlib/v/checker/tests/modules/deprecated_module/main.v:12:11: error: undefined ident: `deprecated_module.www.ttt.non_existing`
+   10 |     dump(ttt.f())
+   11 |     dump(yyy.f())
+   12 |     dump(ttt.non_existing)
       |              ~~~~~~~~~~~~
-   17 | }
-vlib/v/checker/tests/modules/deprecated_module/main.v:16:11: error: dump expression can not be void
-   14 |     dump(ttt.f())
-   15 |     dump(yyy.f())
-   16 |     dump(ttt.non_existing)
+   13 | }
+vlib/v/checker/tests/modules/deprecated_module/main.v:12:11: error: dump expression can not be void
+   10 |     dump(ttt.f())
+   11 |     dump(yyy.f())
+   12 |     dump(ttt.non_existing)
       |              ~~~~~~~~~~~~
-   17 | }
+   13 | }

vlib/v/checker/tests/modules/deprecated_module/main.v

@@ -1,10 +1,6 @@
-// vfmt off
-// TODO: without vfmt off, vfmt is buggy, and keeps converting the imports below to `import deprecated_module.bbb.ccc` for some reason, even though the folder has `v.mod`.
-// That is unrelated to what this file tests, but should be investigated further and fixed when the module lookup disrepancy is fixed.
 import bbb.ccc
 import www.ttt
 import xxx.yyy
-// vfmt on
 
 // Note: www.ttt has been deprecated.
 // => compiling this should produce an error,