MCS: remove unused function

Change-Id: I32ab5ac36a0db90f2bea670b7684784b83a90b6b
diff --git a/src/gprs_coding_scheme.cpp b/src/gprs_coding_scheme.cpp
index bcbb893..c0955d3 100644
--- a/src/gprs_coding_scheme.cpp
+++ b/src/gprs_coding_scheme.cpp
@@ -317,11 +317,6 @@
 	return mcs_info[m_scheme].family == mcs_info[o.m_scheme].family;
 }
 
-bool GprsCodingScheme::isCombinable(GprsCodingScheme o) const
-{
-	return numDataBlocks() == o.numDataBlocks();
-}
-
 void GprsCodingScheme::decToSingleBlock(bool *needStuffing)
 {
 	switch (m_scheme) {
diff --git a/src/gprs_coding_scheme.h b/src/gprs_coding_scheme.h
index d97df08..80f8502 100644
--- a/src/gprs_coding_scheme.h
+++ b/src/gprs_coding_scheme.h
@@ -67,7 +67,6 @@
 	bool isCompatible(Mode mode) const;
 	bool isCompatible(GprsCodingScheme o) const;
 	bool isFamilyCompatible(GprsCodingScheme o) const;
-	bool isCombinable(GprsCodingScheme o) const;
 
 	void inc(Mode mode);
 	void dec(Mode mode);