More OpenBSD cleanup (primarily string).

This patch removes the string/ and wchar/ directories.

Change-Id: Ia489904bc67047e4bc79acb1f3eec21aa3fe5f0d
diff --git a/libc/arch-mips64/mips64.mk b/libc/arch-mips64/mips64.mk
index 11ceb40..28806e1 100644
--- a/libc/arch-mips64/mips64.mk
+++ b/libc/arch-mips64/mips64.mk
@@ -1,30 +1,31 @@
 # mips64 specific configs
 
 libc_common_src_files_mips64 := \
-  bionic/memchr.c \
-  bionic/memcmp.c \
-  bionic/memmove.c \
-  bionic/memrchr.c \
-  bionic/strchr.cpp \
-  bionic/strnlen.c \
-  string/bcopy.c \
-  string/index.c \
-  string/strcat.c \
-  string/strcmp.c \
-  string/strcpy.c \
-  string/strlcat.c \
-  string/strlcpy.c \
-  string/strncat.c \
-  string/strncmp.c \
-  string/strncpy.c \
-  string/strrchr.c \
-  upstream-freebsd/lib/libc/string/wcscat.c \
-  upstream-freebsd/lib/libc/string/wcschr.c \
-  upstream-freebsd/lib/libc/string/wcscmp.c \
-  upstream-freebsd/lib/libc/string/wcscpy.c \
-  upstream-freebsd/lib/libc/string/wcslen.c \
-  upstream-freebsd/lib/libc/string/wcsrchr.c \
-  upstream-freebsd/lib/libc/string/wmemcmp.c \
+    bionic/index.cpp \
+    bionic/memchr.c \
+    bionic/memcmp.c \
+    bionic/memmove.c \
+    bionic/memrchr.c \
+    bionic/strchr.cpp \
+    bionic/strnlen.c \
+    bionic/strrchr.cpp \
+    upstream-freebsd/lib/libc/string/wcscat.c \
+    upstream-freebsd/lib/libc/string/wcschr.c \
+    upstream-freebsd/lib/libc/string/wcscmp.c \
+    upstream-freebsd/lib/libc/string/wcscpy.c \
+    upstream-freebsd/lib/libc/string/wcslen.c \
+    upstream-freebsd/lib/libc/string/wcsrchr.c \
+    upstream-freebsd/lib/libc/string/wmemcmp.c \
+    upstream-openbsd/lib/libc/string/bcopy.c \
+    upstream-openbsd/lib/libc/string/strcat.c \
+    upstream-openbsd/lib/libc/string/strcmp.c \
+    upstream-openbsd/lib/libc/string/strcpy.c \
+    upstream-openbsd/lib/libc/string/strlcat.c \
+    upstream-openbsd/lib/libc/string/strlcpy.c \
+    upstream-openbsd/lib/libc/string/strlen.c \
+    upstream-openbsd/lib/libc/string/strncat.c \
+    upstream-openbsd/lib/libc/string/strncmp.c \
+    upstream-openbsd/lib/libc/string/strncpy.c \
 
 # Fortify implementations of libc functions.
 libc_common_src_files_mips64 += \
@@ -54,10 +55,8 @@
 # FIXME TODO
 ## libc_bionic_src_files_mips64 += arch-mips64/string/memcpy.S
 ## libc_bionic_src_files_mips64 += arch-mips64/string/memset.S
-## libc_bionic_src_files_mips64 += arch-mips64/string/mips_strlen.c
 libc_bionic_src_files_mips64 += bionic/memcpy.c
 libc_bionic_src_files_mips64 += bionic/memset.c
-libc_bionic_src_files_mips64 += string/strlen.c
 
 
 libc_crt_target_cflags_mips64 := \