Bignum: remove duplicate documentation from source

These functions have full documentation in the header. Maintaing two
copies does not worth the effort and having an out of sync reduced
duplicate is not helpful.

Signed-off-by: Janos Follath <janos.follath@arm.com>
diff --git a/library/bignum_core.c b/library/bignum_core.c
index 1929c17..f250009 100644
--- a/library/bignum_core.c
+++ b/library/bignum_core.c
@@ -38,9 +38,6 @@
 
 #include "bignum_core.h"
 
-/*
- * Count leading zero bits in a given integer
- */
 size_t mbedtls_mpi_core_clz( const mbedtls_mpi_uint x )
 {
     size_t j;
@@ -56,9 +53,6 @@
     return j;
 }
 
-/*
- * Return the number of bits
- */
 size_t mbedtls_mpi_core_bitlen( const mbedtls_mpi_uint *X, size_t nx )
 {
     size_t i, j;
@@ -165,12 +159,6 @@
     }
 }
 
-/*
- * Import X from unsigned binary data, little endian
- *
- * The MPI needs to have enough limbs to store the full value (in particular,
- * this function does not skip 0s in the input).
- */
 int mbedtls_mpi_core_read_le( mbedtls_mpi_uint *X,
                               size_t nx,
                               const unsigned char *buf,
@@ -191,12 +179,6 @@
     return( 0 );
 }
 
-/*
- * Import X from unsigned binary data, big endian
- *
- * The MPI needs to have enough limbs to store the full value (in particular,
- * this function does not skip 0s in the input).
- */
 int mbedtls_mpi_core_read_be( mbedtls_mpi_uint *X,
                               size_t nx,
                               const unsigned char *buf,
@@ -227,9 +209,6 @@
     return( 0 );
 }
 
-/*
- * Export X into unsigned binary data, little endian
- */
 int mbedtls_mpi_core_write_le( const mbedtls_mpi_uint *X,
                                size_t nx,
                                unsigned char *buf,
@@ -268,9 +247,6 @@
     return( 0 );
 }
 
-/*
- * Export X into unsigned binary data, big endian
- */
 int mbedtls_mpi_core_write_be( const mbedtls_mpi_uint *X,
                                size_t nx,
                                unsigned char *buf,