* drop git submodule deinit usage
* drop termux_step_post_get_source for clpeak
Should be no longer after bumped to 1.1.2 as that was used when
clpeak was built using git commit.
* drop git reset --hard in favour of git checkout
Suppose if we want to include patches before termux_step_post_get_source,
git reset --hard will drop the patches and reset the whole tree.
Use git checkout instead.
regardless of upstream activity which is a shortcoming of
termux_git_clone_src.sh that currently always choose the latest commit from
the repo. The issue is spotted in 1337fa0ffe9cd1e3813921dc5b53b0fd1d8f904b.
Also updates the package for clvk and bump the revision for clpeak.