Revert "icon.sys update" #985

Job	Run time
build-lang	38s
build-variants (RTL=0, PADEMU=0, IGS=0, DTL_T10000=0)	1m 7s
build-variants (RTL=0, PADEMU=0, IGS=0, DTL_T10000=1)	1m 8s
build	1m 11s
build-debug (debug)	1m 11s
build-variants (RTL=0, PADEMU=0, IGS=1, DTL_T10000=0)	1m 4s
build-debug (iopcore_debug)	1m 11s
build-variants (RTL=0, PADEMU=0, IGS=1, DTL_T10000=1)	1m 23s
build-variants (RTL=0, PADEMU=1, IGS=0, DTL_T10000=0)	1m 15s
build-debug (ingame_debug)	1m 11s
build-variants (RTL=0, PADEMU=1, IGS=0, DTL_T10000=1)	1m 18s
build-debug (deci2_debug)	1m 12s
build-variants (RTL=0, PADEMU=1, IGS=1, DTL_T10000=0)	1m 16s
build-debug (eesio_debug)	1m 26s
build-variants (RTL=0, PADEMU=1, IGS=1, DTL_T10000=1)	1m 17s
build-variants (RTL=1, PADEMU=0, IGS=0, DTL_T10000=0)	1m 19s
build-variants (RTL=1, PADEMU=0, IGS=0, DTL_T10000=1)	1m 22s
build-variants (RTL=1, PADEMU=0, IGS=1, DTL_T10000=0)	1m 3s
build-variants (RTL=1, PADEMU=0, IGS=1, DTL_T10000=1)	1m 7s
build-variants (RTL=1, PADEMU=1, IGS=0, DTL_T10000=0)	1m 15s
build-variants (RTL=1, PADEMU=1, IGS=0, DTL_T10000=1)	1m 4s
build-variants (RTL=1, PADEMU=1, IGS=1, DTL_T10000=0)	1m 14s
build-variants (RTL=1, PADEMU=1, IGS=1, DTL_T10000=1)	1m 18s
merge-debug	5s
merge-variants	10s
release	0s
	27m 45s

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