Update Salesforce.gitignore

Removed node_modules and DS_Store

Salesforce.gitignore

@@ -22,15 +22,9 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
-# Dependency directories
-node_modules/
-
 # Eslint cache
 .eslintcache
 
-# MacOS system files
-.DS_Store
-
 # Windows system files
 Thumbs.db
 ehthumbs.db
@@ -42,4 +36,4 @@ sca-results.csv
 sfca_results.json
 
 # Local environment variables
-.env
+.env