fuzz-hwdb: shorten name of reproducers

The file name of the reproducer is used for test name, and the test name
is messed when the file name is too long.
Also, the mentioned issues are not regressions, but long standing bugs.

Follow-up for 73fea38cf1344e08213bb10bfc1e1a98382aee78.

diff --git a/test/fuzz/fuzz-hwdb/regression-42343-hwdb-add-property-key b/test/fuzz/fuzz-hwdb/hwdb-add-property-key
similarity index 100%
rename from test/fuzz/fuzz-hwdb/regression-42343-hwdb-add-property-key
rename to test/fuzz/fuzz-hwdb/hwdb-add-property-key

diff --git a/test/fuzz/fuzz-hwdb/regression-42342-node-lookup-bsearch b/test/fuzz/fuzz-hwdb/node-lookup-bsearch
similarity index 100%
rename from test/fuzz/fuzz-hwdb/regression-42342-node-lookup-bsearch
rename to test/fuzz/fuzz-hwdb/node-lookup-bsearch

diff --git a/test/fuzz/fuzz-hwdb/regression-42340-trie-fnmatch-node-oob b/test/fuzz/fuzz-hwdb/trie-fnmatch-node-oob
similarity index 100%
rename from test/fuzz/fuzz-hwdb/regression-42340-trie-fnmatch-node-oob
rename to test/fuzz/fuzz-hwdb/trie-fnmatch-node-oob

diff --git a/test/fuzz/fuzz-hwdb/regression-trie-fnmatch-stack-overflow b/test/fuzz/fuzz-hwdb/trie-fnmatch-stack-overflow
similarity index 100%
rename from test/fuzz/fuzz-hwdb/regression-trie-fnmatch-stack-overflow
rename to test/fuzz/fuzz-hwdb/trie-fnmatch-stack-overflow

diff --git a/test/fuzz/fuzz-hwdb/regression-42341-trie-search-prefix-oob b/test/fuzz/fuzz-hwdb/trie-search-prefix-oob
similarity index 100%
rename from test/fuzz/fuzz-hwdb/regression-42341-trie-search-prefix-oob
rename to test/fuzz/fuzz-hwdb/trie-search-prefix-oob