chore(gnovm): deprecate & remove std.CurrentRealmPath()

[linhpn99]

Contributors' checklist...

• [ ] Added new tests, or not needed, or not feasible
• [ ] Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• [ ] Updated the official documentation or not needed
• [ ] No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• [x] Added references to related issues and PRs
• [ ] Provided any useful hints for running manual tests
• [ ] Added new benchmarks to generated graphs, if any. More info here.

[linhpn99]

this PR relates to https://github.com/gnolang/gno/issues/2045

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 49.02%. Comparing base (e1586a5) to head (5e7f411).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2087   +/-   ##
=======================================
  Coverage   49.01%   49.02%           
=======================================
  Files         576      576           
  Lines       77604    77578   -26     
=======================================
- Hits        38035    38029    -6     
+ Misses      36486    36467   -19     
+ Partials     3083     3082    -1     

Flag	Coverage Δ
gnovm	41.93% <100.00%> (-0.03%)	:arrow_down:

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[linhpn99]

@thehowl hope u give a review

[linhpn99]

@thehowl does my PR good enough to approve ?

[thehowl]

LGTM, @gfanton for second review