feat(nano): remove create_token syscall alias

[jansegre]

WARNING: this PR breaks compatibility with nano on testnet-hotel

Motivation

A temporary alias was added, it should be removed before nano on mainnet, but not before a last release with testnet-hotel compatibility.

Acceptance Criteria

• Remove self.syscall.create_token alias to self.syscall.create_deposit_token available to Blueprints

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[github-actions]

Bencher Report

Branch	feat/nano/remove-compat-alias
Testbed	ubuntu-22.04

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Benchmark	Latency	Benchmark Result minutes (m) (Result Δ%)	Lower Boundary minutes (m) (Limit %)	Upper Boundary minutes (m) (Limit %)
sync-v2 (up to 20000 blocks)	📈 view plot 🚷 view threshold	1.97 m (+16.60%) Baseline: 1.69 m	1.52 m (77.18%)	2.03 m (97.17%)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.77%. Comparing base (1ee5b31) to head (c5e0a2d).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1404      +/-   ##
==========================================
+ Coverage   85.75%   85.77%   +0.01%     
==========================================
  Files         430      430              
  Lines       33060    33070      +10     
  Branches     5171     5173       +2     
==========================================
+ Hits        28352    28366      +14     
+ Misses       3669     3665       -4     
  Partials     1039     1039              

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