remove the \addexample tags

Eigen/src/Core/Block.h

@@ -308,8 +308,6 @@ class Block<MatrixType,BlockRows,BlockCols,PacketAccess,HasDirectAccess>
   * \param blockRows the number of rows in the block
   * \param blockCols the number of columns in the block
   *
-  * \addexample BlockIntIntIntInt \label How to reference a sub-matrix (dynamic-size)
-  *
   * Example: \include MatrixBase_block_int_int_int_int.cpp
   * Output: \verbinclude MatrixBase_block_int_int_int_int.out
   *
@@ -341,8 +339,6 @@ inline const typename BlockReturnType<Derived>::Type MatrixBase<Derived>
   * \param cRows the number of rows in the corner
   * \param cCols the number of columns in the corner
   *
-  * \addexample BlockCornerDynamicSize \label How to reference a sub-corner of a matrix
-  *
   * Example: \include MatrixBase_corner_enum_int_int.cpp
   * Output: \verbinclude MatrixBase_corner_enum_int_int.out
   *
@@ -452,8 +448,6 @@ MatrixBase<Derived>::corner(CornerType type) const
   * \param startRow the first row in the block
   * \param startCol the first column in the block
   *
-  * \addexample BlockSubMatrixFixedSize \label How to reference a sub-matrix (fixed-size)
-  *
   * Example: \include MatrixBase_block_int_int.cpp
   * Output: \verbinclude MatrixBase_block_int_int.out
   *
@@ -480,8 +474,6 @@ MatrixBase<Derived>::block(int startRow, int startCol) const
 }
 
 /** \returns an expression of the \a i-th column of *this. Note that the numbering starts at 0.
-  *
-  * \addexample BlockColumn \label How to reference a single column of a matrix
   *
   * Example: \include MatrixBase_col.cpp
   * Output: \verbinclude MatrixBase_col.out
@@ -503,8 +495,6 @@ MatrixBase<Derived>::col(int i) const
 }
 
 /** \returns an expression of the \a i-th row of *this. Note that the numbering starts at 0.
-  *
-  * \addexample BlockRow \label How to reference a single row of a matrix
   *
   * Example: \include MatrixBase_row.cpp
   * Output: \verbinclude MatrixBase_row.out