Remove leftovers from formatting code removal

Author: stoned

doc/Language/operators.pod6

@@ -2195,7 +2195,7 @@ Note that setting $*TOLERANCE = 0 will cause all comparisons to fail.
         say 1 =~= 1;          # OUTPUT: «False␤»
     }
 
-=head2 infix (elem), infix ∈»
+=head2 infix (elem), infix ∈
 
     multi sub infix:<(elem)>($a,$b --> Bool:D)
     multi sub infix:<∈>($a,$b --> Bool:D)
@@ -2227,7 +2227,7 @@ C<!(elem)>.
 
 C«∉» is codepoint U+2209 (NOT AN ELEMENT OF).
 
-=head2 infix (cont), infix ∋»
+=head2 infix (cont), infix ∋
 
     multi sub infix:<(cont)>($a,$b --> Bool:D)
     multi sub infix:<∋>($a,$b --> Bool:D)