[test] Remove not-fixed yet testcases (#1268)

I added them but now that I think, it is a bad idea to have them as
fuzzing bots will find good seeds to tweak in order to find easy new
testcases which causes duplicated issues.

diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-fuzzer-4548492505645056 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-fuzzer-4548492505645056
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diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-fuzzer-6210176798425088 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-fuzzer-6210176798425088
deleted file mode 100644 (file)
index 1c62961..0000000
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diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-shape-fuzzer-5738888765636608 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-shape-fuzzer-5738888765636608
deleted file mode 100644 (file)
index 28e72df..0000000
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