removing duplicate data file

examples/data/18pointExample1.txt

@@ -1,131 +0,0 @@
-2 18 36
-
-0 0 -0.10000000000000000555 0.5
-1 0 -0.5 -0.19999999999999998335
-0 1 -0.10000000000000000555 -0
-1 1 -1.2246467991473532688e-17 -0.2000000000000000111
-0 2 -0.10000000000000000555 -0.5
-1 2 0.5 -0.20000000000000003886
-0 3 0 0.5
-1 3 -0.5 -0.099999999999999977796
-0 4 0 -0
-1 4 -6.123233995736766344e-18 -0.10000000000000000555
-0 5 0 -0.5
-1 5 0.5 -0.10000000000000003331
-0 6 0.10000000000000000555 0.5
-1 6 -0.5 3.0616169978683830179e-17
-0 7 0.10000000000000000555 -0
-1 7 0 -0
-0 8 0.10000000000000000555 -0.5
-1 8 0.5 -3.0616169978683830179e-17
-0 9 -0.2000000000000000111 1
-1 9 -1 -0.39999999999999996669
-0 10 -0.2000000000000000111 -0
-1 10 -2.4492935982947065376e-17 -0.4000000000000000222
-0 11 -0.2000000000000000111 -1
-1 11 1 -0.40000000000000007772
-0 12 0 1
-1 12 -1 -0.19999999999999995559
-0 13 0 -0
-1 13 -1.2246467991473532688e-17 -0.2000000000000000111
-0 14 0 -1
-1 14 1 -0.20000000000000006661
-0 15 0.2000000000000000111 1
-1 15 -1 6.1232339957367660359e-17
-0 16 0.2000000000000000111 -0
-1 16 0 -0
-0 17 0.2000000000000000111 -1
-1 17 1 -6.1232339957367660359e-17
-
-3.141592653589793116
-                   0
-                   0
--0
-0
-0
-1
-0
-0
-
-2.2214414690791830509
-2.2214414690791826068
-                    0
--6.123233995736766344e-18
--0.10000000000000000555
-0
-1
-0
-0
-
--0.10000000000000000555
--0.5
-1
-
--0.10000000000000000555
-0
-1
-
--0.10000000000000000555
-0.5
-1
-
-0
--0.5
-1
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-0
-0
-1
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-0
-0.5
-1
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-0.10000000000000000555
--0.5
-1
-
-0.10000000000000000555
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-1
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-0.10000000000000000555
-0.5
-1
-
--0.10000000000000000555
--0.5
-0.5
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--0.10000000000000000555
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-0.5
-
--0.10000000000000000555
-0.5
-0.5
-
-0
--0.5
-0.5
-
-0
-0
-0.5
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-0
-0.5
-0.5
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-0.10000000000000000555
--0.5
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-0.10000000000000000555
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-0.5
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-0.10000000000000000555
-0.5
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-