fix: MIMIC Note README.md

The readme and its instructions do not reflect the current structure of the folders. This commit should fix that

Author: aegis301

mimic-iv-note/buildmimic/postgres/README.md

@@ -10,9 +10,11 @@ git clone https://github.com/MIT-LCP/mimic-code.git
 cd mimic-code
 # download data
 wget -r -N -c -np --user <USERNAME> --ask-password https://physionet.org/files/mimiciv/2.2/
-mv physionet.org/files/mimiciv-iv-note mimiciv && rmdir physionet.org/files && rm physionet.org/robots.txt && rmdir physionet.org
+mv physionet.org/files/mimiciv-iv-note mimic-iv && rmdir physionet.org/files && rm physionet.org/robots.txt && rmdir physionet.org
 # if mimiciv not exists
 # createdb mimiciv
 psql -d mimiciv -f mimic-iv-note/buildmimic/postgres/create.sql
-psql -d mimiciv -v ON_ERROR_STOP=1 -v mimic_data_dir=mimiciv/2.2/note -f mimic-iv-note/buildmimic/postgres/load_gz.sql
+psql -d mimiciv -v ON_ERROR_STOP=1 -v mimic_data_dir=mimic-iv/mimic-iv-note/2.2/note -f mimic-iv-note/buildmimic/postgres/load_gz.sql
+# if you want to remove raw data
+# rm mimic-iv/mimic-iv-note/*.txt && rm mimic-iv/mimic-iv-note/index.html && rm mimic-iv/mimic-iv-note/note/*.gz && rm mimic-iv/mimic-iv-note/note/index.html && rmdir rm mimic-iv/mimic-iv-note/note && rmdir mimic-iv/mimic-iv-note
 ```