use gitattributes to handle this instead of GHA

.gitattributes

@@ -1,4 +1,3 @@
-* -text
-* text=auto
-*.Rraw linguist-language=R
-
+* text eol=lf
+inst/tests/** -text
+inst/tests/*.Rraw text eol=lf linguist-language=R

.github/workflows/code-quality.yaml

@@ -79,28 +79,3 @@ jobs:
       - name: Lint
         run: for (f in list.files('.ci/linters/md', full.names=TRUE)) source(f)
         shell: Rscript {0}
-  lint-misc:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Don't auto-convert line endings during checkout step
-        run: git config --global core.autocrlf false
-      - uses: actions/checkout@v4
-      - name: Lint line endings
-        run: |
-          for (f in list.files(recursive = TRUE)) {
-            if (basename(f) %in% c("CODEOWNERS", "R-es.po", "es.po")) {
-              nchar = sum(nchar(readLines(f, n=3L))) + 6 # padding for line endings
-              str = readChar(f, nchar)
-              cat(sprintf("Here's the first %d characters of %s\n\n%s\n", nchar, f, encodeString(str)))
-            }
-            # tryCatch() here are to skip binary/plaintext files (e.g. csv)
-            ch <- tryCatch(readChar(f, file.size(f)), condition=identity)
-            if (inherits(ch, "condition")) next
-            nch <- tryCatch(nchar(ch), condition=identity)
-            if (inherits(nch, "condition")) next
-
-            if (grepl("\r", ch, fixed = TRUE)) {
-              stop("Line ending \\r found in ", f, ", please stick with \\n only.")
-            }
-          }
-        shell: Rscript {0}