Fix forbid_rename option from denying uploads

[din-mukhammed]

Fixes

• Deleted CanRename() check when creating connection object

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain:
• gosdk:
• system_test:
• zboxcli: single fileops use DoMultiOperation zboxcli#506
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Merging #1214 (feddd6f) into sprint-1.10 (e154a63) will increase coverage by 0.00%.
The diff coverage is 0.00%.

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@@             Coverage Diff              @@
##           sprint-1.10    #1214   +/-   ##
============================================
  Coverage        25.53%   25.54%           
============================================
  Files               83       83           
  Lines             9353     9346    -7     
============================================
- Hits              2388     2387    -1     
+ Misses            6668     6664    -4     
+ Partials           297      295    -2     

Flag	Coverage Δ
Unit-Tests	25.54% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...ain.net/blobbercore/handler/file_command_upload.go	40.74% <ø> (+0.37%)	⬆️
...et/blobbercore/handler/object_operation_handler.go	18.68% <0.00%> (+0.04%)	⬆️

[dabasov]

lgtm