Remove unused EventFlag constructor

Test: build
Change-Id: I0d46c27e719663af851b3e500d8893887fd2fa83
diff --git a/EventFlag.cpp b/EventFlag.cpp
index c51450a..d353873 100644
--- a/EventFlag.cpp
+++ b/EventFlag.cpp
@@ -54,23 +54,6 @@
 }
 
 /*
- * mmap memory for the futex word
- */
-EventFlag::EventFlag(int fd, off_t offset, status_t* status) {
-    mEfWordPtr = static_cast<std::atomic<uint32_t>*>(mmap(NULL,
-                                                          sizeof(std::atomic<uint32_t>),
-                                                          PROT_READ | PROT_WRITE,
-                                                          MAP_SHARED, fd, offset));
-    mEfWordNeedsUnmapping = true;
-    if (mEfWordPtr != MAP_FAILED) {
-        *status = NO_ERROR;
-    } else {
-        *status = -errno;
-        ALOGE("Attempt to mmap event flag word failed: %s\n", strerror(errno));
-    }
-}
-
-/*
  * Use this constructor if we already know where the futex word for
  * the EventFlag group lives.
  */
diff --git a/include/fmq/EventFlag.h b/include/fmq/EventFlag.h
index d5bc014..3ec4932 100644
--- a/include/fmq/EventFlag.h
+++ b/include/fmq/EventFlag.h
@@ -95,11 +95,6 @@
     std::atomic<uint32_t>* mEfWordPtr = nullptr;
 
     /*
-     * mmap memory for the event flag word.
-     */
-    EventFlag(int fd, off_t offset, status_t* status);
-
-    /*
      * Use this constructor if we already know where the event flag word
      * lives.
      */