Remove "bad idea" TODO remarks from the code.
Remove "bad idea" TODO remarks from the code.

Flow readers must not consume trailing whitespace because such a
behavior is too error-prone. Even plain scalar reader does not
consume that outside of it's scope (indentation level).

Example of wrong of "every reader consumes trailing whitespaces"
behavior is issue #80

nodeca/js-yaml,vogelsgesang/js-yaml,jonnor/js-yaml,pombredanne/js-yaml,joshball/js-yaml,minj/js-yaml,isaacs/js-yaml,cesarmarinhorj/js-yaml,isaacs/js-yaml,deltreey/js-yaml,denji/js-yaml,vogelsgesang/js-yaml,vogelsgesang/js-yaml,isaacs/js-yaml,jonnor/js-yaml,bjlxj2008/js-yaml,nodeca/js-yaml,pombredanne/js-yaml,SmartBear/js-yaml,djchie/js-yaml,crissdev/js-yaml,pombredanne/js-yaml,cesarmarinhorj/js-yaml,crissdev/js-yaml,doowb/js-yaml,djchie/js-yaml,SmartBear/js-yaml,deltreey/js-yaml,joshball/js-yaml,rjmunro/js-yaml,djchie/js-yaml,bjlxj2008/js-yaml,minj/js-yaml,cesarmarinhorj/js-yaml,bjlxj2008/js-yaml,rjmunro/js-yaml,doowb/js-yaml,jonnor/js-yaml,joshball/js-yaml,nodeca/js-yaml,crissdev/js-yaml,deltreey/js-yaml,doowb/js-yaml,denji/js-yaml,SmartBear/js-yaml,denji/js-yaml,rjmunro/js-yaml,minj/js-yaml