Enable more passing libsass 4.0 tests

Author: mgreter

spec/core_functions/selector/is_superselector/simple/pseudo/selector_arg/any.hrx

@@ -1,8 +1,3 @@
-<===> options.yml
----
-:todo:
-- sass/libsass#2972
-
 <===> README.md
 `:any()` is a deprecated alias for `:matches()` that Sass still supports for
 legacy reasons. It should support the full range of behavior of `:matches()`,

spec/core_functions/selector/is_superselector/simple/pseudo/selector_arg/matches.hrx

@@ -49,13 +49,6 @@ a {
   b: false;
 }
 
-<===>
-================================================================================
-<===> complex/options.yml
----
-:todo:
-- sass/libsass#2972
-
 <===>
 ================================================================================
 <===> complex/superset/input.scss
@@ -76,13 +69,6 @@ a {
   b: false;
 }
 
-<===>
-================================================================================
-<===> list/options.yml
----
-:todo:
-- sass/libsass#2972
-
 <===>
 ================================================================================
 <===> list/superset/input.scss
@@ -130,13 +116,6 @@ a {
   b: false;
 }
 
-<===>
-================================================================================
-<===> prefix/options.yml
----
-:todo:
-- sass/libsass#2972
-
 <===>
 ================================================================================
 <===> prefix/superset/input.scss

spec/core_functions/selector/is_superselector/simple/pseudo/selector_arg/slotted.hrx

@@ -1,8 +1,3 @@
-<===> options.yml
----
-:todo:
-- sass/libsass#2974
-
 <===> superset/input.scss
 a {b: is-superselector("::slotted(c d, e f, g h)", "::slotted(c d.i, e j f)")}