[shared] Clean unused classes

apps/shared/function.cpp

@@ -1,51 +0,0 @@
-#include "function.h"
-#include "poincare_helpers.h"
-#include <string.h>
-#include <cmath>
-#include <assert.h>
-
-using namespace Poincare;
-
-namespace Shared {
-
-Function::Function(const char * name, KDColor color) :
-  ExpressionModel(),
-  m_name(name),
-  m_color(color),
-  m_active(true)
-{
-}
-
-uint32_t Function::checksum() {
-  char data[k_dataLengthInBytes/sizeof(char)] = {};
-  strlcpy(data, text(), TextField::maxBufferSize());
-  data[k_dataLengthInBytes-2] = m_name != nullptr ? m_name[0] : 0;
-  data[k_dataLengthInBytes-1] = m_active ? 1 : 0;
-  return Ion::crc32((uint32_t *)data, k_dataLengthInBytes/sizeof(uint32_t));
-}
-
-void Function::setColor(KDColor color) {
-  m_color = color;
-}
-
-const char * Function::name() const {
-  return m_name;
-}
-
-bool Function::isActive() {
-  return m_active;
-}
-
-void Function::setActive(bool active) {
-  m_active = active;
-}
-
-template<typename T>
-T Function::templatedApproximateAtAbscissa(T x, Poincare::Context * context) const {
-  return PoincareHelpers::ApproximateWithValueForSymbol(expression(context), symbol(), x, *context);
-}
-
-}
-
-template float Shared::Function::templatedApproximateAtAbscissa<float>(float, Poincare::Context*) const;
-template double Shared::Function::templatedApproximateAtAbscissa<double>(double, Poincare::Context*) const;