[Backport 2.x] Removes operations, resources_created, user_output fields from the Global Context and Template class

[opensearch-trigger-bot]

Backport 6ee3d53 from #114.

[codecov]

Codecov Report

Merging #115 (f0038b3) into 2.x (a653645) will decrease coverage by 1.22%.
Report is 2 commits behind head on 2.x.
The diff coverage is 77.77%.

@@             Coverage Diff              @@
##                2.x     #115      +/-   ##
============================================
- Coverage     81.46%   80.24%   -1.22%     
+ Complexity      285      250      -35     
============================================
  Files            30       30              
  Lines          1122      992     -130     
  Branches        126       95      -31     
============================================
- Hits            914      796     -118     
+ Misses          162      160       -2     
+ Partials         46       36      -10     

Files	Coverage Δ
.../opensearch/flowframework/FlowFrameworkPlugin.java	100.00% <100.00%> (ø)
...g/opensearch/flowframework/common/CommonValue.java	100.00% <ø> (ø)
...ch/flowframework/indices/GlobalContextHandler.java	72.22% <100.00%> (ø)
...a/org/opensearch/flowframework/model/Template.java	89.65% <100.00%> (+2.37%)	⬆️
...rk/transport/ProvisionWorkflowTransportAction.java	45.61% <100.00%> (ø)
...ch/flowframework/workflow/WorkflowStepFactory.java	70.00% <100.00%> (+1.57%)	⬆️
...arch/flowframework/workflow/RegisterModelStep.java	78.94% <85.71%> (+5.73%)	⬆️
...search/flowframework/workflow/DeployModelStep.java	75.00% <71.42%> (+9.78%)	⬆️
...ch/flowframework/workflow/CreateConnectorStep.java	73.84% <73.84%> (ø)

... and 1 file with indirect coverage changes