Removed trailing whitespace on two lines (maintain consistency)

lib/Language/5to6.pod

@@ -766,7 +766,7 @@ and L<C<[]> array subscripting|#[]_Array_indexing/slicing> operators.
 
     my $deleted_value = delete $hash{$key};  # Perl 5
     my $deleted_value = %hash{$key}:delete;  # Perl 6 - use :delete adverb
-    
+
     my $deleted_value = delete $array[$i];  # Perl 5
     my $deleted_value = @array[$i]:delete;  # Perl 6 - use :delete adverb
 
@@ -778,7 +778,7 @@ and L<C<[]> array subscripting|#[]_Array_indexing/slicing> operators.
 
     say "element exists" if exists $hash{$key};  # Perl 5
     say "element exists" if %hash{$key}:exists;  # Perl 6 - use :exists adverb
-    
+
     say "element exists" if exists $array[$i];  # Perl 5
     say "element exists" if @array[$i]:exists;  # Perl 6 - use :exists adverb