address review comments

ports/nrf/common-hal/_bleio/bonding.c

@@ -92,6 +92,7 @@ void bonding_erase_storage(void) {
 // Given NULL to start or block address, return the address of the next valid block.
 // The last block returned is the unused block at the end.
 // Return NULL if we have run off the end of the bonding space.
+
 STATIC bonding_block_t *next_block(bonding_block_t *block) {
     while (1) {
         // Advance to next block.
@@ -127,10 +128,6 @@ STATIC bonding_block_t *find_existing_block(bool is_central, bonding_block_type_
         if (block == NULL) {
             return NULL;
         }
-        if (block->type == BLOCK_INVALID) {
-            // Skip discarded blocks.
-            continue;
-        }
         // If types match, and block is unused, just return it.
         // Otherwise check that is_central and ediv match.
         if (type == block->type) {

ports/nrf/peripherals/nrf/nvm.c

@@ -89,7 +89,7 @@ bool sd_flash_write_sync(uint32_t *dest_words, uint32_t* src_words, uint32_t num
 // location before an erase is necessary, even if the write is all
 // ones (erased state).  So we can't avoid erases even if the page
 // appears to be already erased (all ones), unless we keep track of
-// writes to a page.g
+// writes to a page.
 
 bool nrf_nvm_safe_flash_page_write(uint32_t page_addr, uint8_t *data) {
     #ifdef BLUETOOTH_SD