remove old unused files

app/static/images/ui-bg_glass_55_fcf0ba_1x400.png

app/static/images/ui-bg_gloss-wave_100_ece8da_500x100.png

app/static/images/ui-bg_highlight-hard_100_f5f3e5_1x100.png

app/static/images/ui-bg_highlight-hard_100_fafaf4_1x100.png

app/static/images/ui-bg_highlight-hard_15_459e00_1x100.png

app/static/images/ui-bg_highlight-hard_95_cccccc_1x100.png

app/static/images/ui-bg_highlight-soft_25_67b021_1x100.png

app/static/images/ui-bg_highlight-soft_95_ffedad_1x100.png

app/static/images/ui-bg_inset-soft_15_2b2922_1x100.png

app/static/images/ui-icons_808080_256x240.png

app/static/images/ui-icons_847e71_256x240.png

app/static/images/ui-icons_8DC262_256x240.png

app/static/images/ui-icons_cd0a0a_256x240.png

app/static/images/ui-icons_eeeeee_256x240.png

app/static/images/ui-icons_ffffff_256x240.png

app/templates/home.html