pgsql: Remove a stray subnormal value from float tests.

Remove a stray subnormal value from float tests.

We don't care to assume that input of subnormal float values works,
but a stray subnormal value from the upstream Ryu regression test had
been left in the test data by mistake. Remove it.

Per buildfarm member fulmar.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/80c468b4a454881b56e1c73c6fedcb2978c5b415

Modified Files
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src/test/regress/expected/float4-misrounded-input.out | 4 +---
src/test/regress/expected/float4.out                  | 4 +---
src/test/regress/sql/float4.sql                       | 1 -
3 files changed, 2 insertions(+), 7 deletions(-)