enforce eol normalization in gitattributes

.gitattributes

@@ -1,2 +1 @@
-*.ftl eol=lf
-*.sh eol=lf
+* text=auto eol=lf

.github/workflows/checks.yml

@@ -111,9 +111,6 @@ jobs:
       fail-fast: false
 
     steps:
-      - run: git config --global core.autocrlf false
-        if: matrix.os == 'windows-latest'
-
       - uses: actions/checkout@v2
 
       - name: Configure Linux environment variables

docs/development.md

@@ -184,11 +184,6 @@ recommended to follow these instructions step-by-step.
 - install Git and Git Bash (this delivers curl too)
 
   - add git/usr/bin to your System PATH before cygwin/bin folder, mentioned above.
-  - run:
-    - git config --global core.autocrlf
-    - make a note of the result (referred to as [yourLineEndingsValue] later in these notes)
-  - if the [yourLineEndingsValue] is not 'input', run (to preserve Anki's Unix line endings):
-    - git config --global core.autocrlf input
   - run:
     - cargo install ripgrep
 
@@ -228,14 +223,6 @@ recommended to follow these instructions step-by-step.
 
 - open PyCharm Terminal (Git Bash)
 
-- set your local Anki project to preserve unix line endings:
-  - git config --local core.autocrlf input
-- if [yourLineEndingsValue] was not 'input', revert global line endings:
-
-  - git config --global core.autocrlf [yourLineEndingsValue]
-    - e.g. (most likely):
-      - git config --global core.autocrlf true
-
 - ensure your virtual environment is set up as you like it to be
 
   - if you don't set the virtual environment to pyenv (Anki's virtual environment folder) don't forget to add the