remove some FIXMEs; already fixed.
remove some FIXMEs; already fixed.

kmuto/review,takahashim/review,murashitas/review,orangain/review,masawada/review,suzuki/review,kmuto/review,kuad9/review_study,murashitas/review,orangain/review,kuad9/review_study,krororo/review,suzuki/review,krororo/review,takahashim/review,kmuto/review,krororo/review,masawada/review