fixup: fix some algorithms/* ignores

.coafile

@@ -2,12 +2,7 @@
 # note: put developer specific settings into ~/.coarc (e.g. editor = ...)
 max_line_length = 255
 use_spaces = True
-ignore = src/borg/(chunker.c|compress.c|hashindex.c|item.c),
-         src/borg/algorithms/(checksums.c|crc32*.c),
-         src/borg/algorithms/blake2/**,
-         src/borg/algorithms/lz4/**,
-         src/borg/algorithms/xxh64/**,
-         src/borg/algorithms/zstd/**,
+ignore = src/borg/(checksums.c|chunker.c|compress.c|hashindex.c|item.c),
          src/borg/crypto/low_level.c,
          src/borg/platform/*.c
 

.gitignore

@@ -10,7 +10,7 @@ src/borg/crypto/low_level.c
 src/borg/hashindex.c
 src/borg/item.c
 src/borg/chunker.c
-src/borg/algorithms/checksums.c
+src/borg/checksums.c
 src/borg/platform/darwin.c
 src/borg/platform/freebsd.c
 src/borg/platform/linux.c