profile| Remove the --profile-svg switch

We can use `tox -epy38 -- --profile-svg` to enable this functionality
now that we have the pytest-profile dependency.

Author: doublethefish

tox.ini

@@ -59,7 +59,7 @@ setenv =
     COVERAGE_FILE = {toxinidir}/.coverage.{envname}
 
 commands =
-    python -Wignore -m coverage run -m pytest --profile-svg {toxinidir}/tests/ {posargs:}
+    python -Wignore -m coverage run -m pytest {toxinidir}/tests/ {posargs:}
 
     ; Transform absolute path to relative path
     ; for compatibility with coveralls.io and fix 'source not available' error.