fix: Update build conda env to delete Android SDK

[ranadeepsingh]

What changes are proposed in this pull request?

1. Add space optimization step in conda.yaml to delete Android SDK present in Azure Pipeline machine image.
   This reduces out of disk memory errors on the pipeline's machine when installing conda env
2. Change horovod to be read from a specific commit where it's compiled with C++17 compatible with torch==2.1.0

How is this patch tested?

• I have written tests (not required for typo or doc fix) and confirmed the proposed feature/bug-fix/change works.

Does this PR change any dependencies?

• No. You can skip this section.
• Yes. Make sure the dependencies are resolved correctly, and list changes here.

Does this PR add a new feature? If so, have you added samples on website?

• No. You can skip this section.
• Yes. Make sure you have added samples following below steps.

1. Find the corresponding markdown file for your new feature in website/docs/documentation folder.
   Make sure you choose the correct class estimators/transformers and namespace.
2. Follow the pattern in markdown file and add another section for your new API, including pyspark, scala (and .NET potentially) samples.
3. Make sure the DocTable points to correct API link.
4. Navigate to website folder, and run yarn run start to make sure the website renders correctly.
5. Don't forget to add <!--pytest-codeblocks:cont--> before each python code blocks to enable auto-tests for python samples.
6. Make sure the WebsiteSamplesTests job pass in the pipeline.

[ranadeepsingh]

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[ranadeepsingh]

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[ranadeepsingh]

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.51%. Comparing base (f9aa906) to head (5aae3ef).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2434      +/-   ##
==========================================
- Coverage   84.60%   84.51%   -0.10%     
==========================================
  Files         333      333              
  Lines       17482    17482              
  Branches     1580     1580              
==========================================
- Hits        14791    14775      -16     
- Misses       2691     2707      +16     

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[ranadeepsingh]

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[ranadeepsingh]

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[ranadeepsingh]

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[ranadeepsingh]

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[ranadeepsingh]

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[ranadeepsingh]

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[Copilot]

Pull Request Overview

This PR optimizes the build environment in Azure pipelines by implementing disk space management and updating dependency management. The changes address out-of-memory errors during conda environment installation by removing unused SDKs and updating package versions.

Key changes:

• Add disk space optimization by removing Android SDK from Azure pipeline machines
• Move horovod from pip to conda dependencies due to deprecation
• Update package versions and clean up unused imports

Reviewed Changes

Copilot reviewed 3 out of 5 changed files in this pull request and generated no comments.

File	Description
templates/conda.yml	Adds disk space cleanup steps and reorganizes environment creation
environment.yml	Moves horovod to conda dependencies and updates package versions
deep-learning/src/test/python/synapsemltest/dl/conftest.py	Removes unused pandas import

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[ranadeepsingh]

/azp run

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[ranadeepsingh]

/azp run

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[ranadeepsingh]

/azp run

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[ranadeepsingh]

/azp run

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[ranadeepsingh]

/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

[mhamilton723]

Amazing work