Remove unused headers from uecc sources
diff --git a/tinycrypt/ecc.c b/tinycrypt/ecc.c
index 46080bf..b398c94 100644
--- a/tinycrypt/ecc.c
+++ b/tinycrypt/ecc.c
@@ -53,7 +53,6 @@
  */
 
 #include <tinycrypt/ecc.h>
-#include <tinycrypt/ecc_platform_specific.h>
 #include <string.h>
 
 /* IMPORTANT: Make sure a cryptographically-secure PRNG is set and the platform
diff --git a/tinycrypt/ecc_dh.c b/tinycrypt/ecc_dh.c
index e5257d2..15d9ba3 100644
--- a/tinycrypt/ecc_dh.c
+++ b/tinycrypt/ecc_dh.c
@@ -54,7 +54,6 @@
  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  *  POSSIBILITY OF SUCH DAMAGE.
  */
-#include <tinycrypt/constants.h>
 #include <tinycrypt/ecc.h>
 #include <tinycrypt/ecc_dh.h>
 #include <string.h>
diff --git a/tinycrypt/ecc_dsa.c b/tinycrypt/ecc_dsa.c
index 064dfe5..9a4c0a5 100644
--- a/tinycrypt/ecc_dsa.c
+++ b/tinycrypt/ecc_dsa.c
@@ -53,7 +53,6 @@
  *  POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <tinycrypt/constants.h>
 #include <tinycrypt/ecc.h>
 #include <tinycrypt/ecc_dsa.h>