Liblog: Remove unused function

For build-system CFLAGS clean-up, remove unused function.

Change-Id: I8c28c4bbbadaea6a5b32483e9e220794967bdd4e
diff --git a/liblog/logprint.c b/liblog/logprint.c
index 9b5a543..5987782 100644
--- a/liblog/logprint.c
+++ b/liblog/logprint.c
@@ -344,15 +344,6 @@
     return -1;
 }
 
-static inline char * strip_end(char *str)
-{
-    char *end = str + strlen(str) - 1;
-
-    while (end >= str && isspace(*end))
-        *end-- = '\0';
-    return str;
-}
-
 /**
  * Splits a wire-format buffer into an AndroidLogEntry
  * entry allocated by caller. Pointers will point directly into buf