[gitignore] remove data rule (#33089)

og blame is super old
014e264
and we have already had to work around it a few times as seen in the
exception cases
we also have files that would be ignored if they were not checked in
before the rule

https://github.com/dagster-io/dagster/blame/master/python_modules/dagster-graphql/dagster_graphql_tests/data/num.csv

## How I Tested These Changes

bk

Author: Alex Langenfeld

.gitignore

@@ -138,11 +138,6 @@ docs/gatsby/**/public
 # Next stuff
 docs/next/.mdx-data
 docs/next/public/sitemap.xml
-# Data
-data
-# Don't ignore data folders in examples
-!examples/*/data
-!examples/**/**/data
 
 # Dask
 dask-worker-space