hyper: drop support

lib : remove all hyper code
configure: stop detecting hyper
docs: no more mention of hyper
tests: mo more special-handling of hyper builds
CI: no jobs usi

hyper: drop support

lib : remove all hyper code
configure: stop detecting hyper
docs: no more mention of hyper
tests: mo more special-handling of hyper builds
CI: no jobs using hyper

Closes #15120

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tests: remove leading spaces from some tags

The threee tags `<name>`, `</name>` and `<command>` were frequently used
with a leading space that this removes. The reason this habbit is so

tests: remove leading spaces from some tags

The threee tags `<name>`, `</name>` and `<command>` were frequently used
with a leading space that this removes. The reason this habbit is so
widespread in testcases is probably that they have been copy and pasted.

Hence, fixing them all now might curb this practice from now on.

Closes #12028

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tests: use %LOGDIR to refer to the log directory

This will allow it be set dynamically.

Ref: #10818

data/test376: set a proper name

curl: add --remove-on-error

If a transfer returns an error, using this option makes curl remove the
leftover downloded (partial) local file before exiting.

Added test 376 to ver

curl: add --remove-on-error

If a transfer returns an error, using this option makes curl remove the
leftover downloded (partial) local file before exiting.

Added test 376 to verify

Closes #8503

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