AST: Remove PatternBindingDecl::getNumBoundVariables()

Author: slavapestov

include/swift/AST/Decl.h

@@ -1948,8 +1948,6 @@ class PatternBindingEntry {
   CaptureInfo getCaptureInfo() const { return Captures; }
   void setCaptureInfo(CaptureInfo captures) { Captures = captures; }
 
-  unsigned getNumBoundVariables() const;
-
 private:
   SourceLoc getLastAccessorEndLoc() const;
 };

lib/AST/Decl.cpp

@@ -1560,12 +1560,6 @@ VarDecl *PatternBindingEntry::getAnchoringVarDecl() const {
   return variables[0];
 }
 
-unsigned PatternBindingEntry::getNumBoundVariables() const {
-  unsigned varCount = 0;
-  getPattern()->forEachVariable([&](VarDecl *) { ++varCount; });
-  return varCount;
-}
-
 SourceLoc PatternBindingEntry::getLastAccessorEndLoc() const {
   SourceLoc lastAccessorEnd;
   getPattern()->forEachVariable([&](VarDecl *var) {