Remove instances of sphinx dep (#32)

.github/workflows/deploy.yml

@@ -85,6 +85,5 @@ jobs:
       - name: Upload to S3
         working-directory: ${{github.workspace}}/
         run: |
-          ls -l share/doc/SpiceQL/sphinx/
           aws s3 sync --delete site/ s3://asc-public-docs/software_manuals/spiceql/
           

cmake/FindSphinx.cmake

-#Look for an executable called sphinx-build
-find_program(SPHINX_EXECUTABLE
-             NAMES sphinx-build
-             DOC "Path to sphinx-build executable")
-
-include(FindPackageHandleStandardArgs)
-
-#Handle standard arguments to find_package like REQUIRED and QUIET
-find_package_handle_standard_args(Sphinx
-                                  "Failed to find sphinx-build executable"
-                                  SPHINX_EXECUTABLE)
\ No newline at end of file