Drop '* text=auto' from .gitattributes and normalize

Git wants to check in 'text' files with LF endings, so this changes them
in the repository but not in the checkout, where they keep CRLF endings.

Differential Revision: https://reviews.llvm.org/D124563

clang-tools-extra/test/.gitattributes

@@ -2,10 +2,6 @@
 # rely on or check fixed character -offset, Offset: or FileOffset: locations
 # will fail when run on input files checked out with different line endings.
 
-# Most test input files should use native line endings, to ensure that we run
-# tests against both line ending types.
-* text=auto
-
 # These test input files rely on one-byte Unix (LF) line-endings, as they use
 # fixed -offset, FileOffset:, or Offset: numbers in their tests.
 clang-apply-replacements/ClangRenameClassReplacements.cpp text eol=lf

clang-tools-extra/test/clang-apply-replacements/Inputs/crlf/crlf.cpp

@@ -1,6 +1,6 @@
-
-// This file intentionally uses a CRLF newlines!
-
-void foo() {
-  int *x = 0;
-}
+
+// This file intentionally uses a CRLF newlines!
+
+void foo() {
+  int *x = 0;
+}

clang-tools-extra/test/clang-apply-replacements/Inputs/crlf/crlf.cpp.expected

@@ -1,6 +1,6 @@
-
-// This file intentionally uses a CRLF newlines!
-
-void foo() {
-  int *x = nullptr;
-}
+
+// This file intentionally uses a CRLF newlines!
+
+void foo() {
+  int *x = nullptr;
+}