Simplify gitignore

Author: janheinrichmerker

.gitignore

@@ -1,5 +1,4 @@
 ### JetBrains ###
-.idea
 out/
 *.iml
 
@@ -120,9 +119,6 @@ acs-*.bib
 *.slo
 *.sls
 
-# uncomment this for glossaries-extra (will ignore makeindex's style files!)
-# *.ist
-
 # gnuplot
 *.gnuplot
 *.table
@@ -471,14 +467,6 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
-### VisualStudioCode ###
-.vscode/*
-!.vscode/settings.json
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
-!.vscode/*.code-snippets
-
 # Local History for Visual Studio Code
 .history/
 
@@ -498,7 +486,7 @@ cython_debug/
 
 # Custom exclusions
 *.lop
-.idea/kubernetes-settings.xml
 config.override.yml
 
 .vscode
+.idea