Remove matrix_key_count() (#16603)

* Remove `matrix_key_count()`

* Remove `matrix_bitpop()`

keyboards/converter/ibm_terminal/matrix.c

@@ -27,7 +27,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define print_matrix_row(row)  print_bin_reverse8(matrix_get_row(row))
 #define print_matrix_header()  print("\nr/c 01234567\n")
-#define matrix_bitpop(i)       bitpop(matrix[i])
 #define ROW_SHIFTER ((uint8_t)1)
 
 

keyboards/converter/palm_usb/matrix.c

@@ -379,12 +379,3 @@ void matrix_print(void)
         print("\n");
     }
 }
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop(matrix[i]);
-    }
-    return count;
-}

keyboards/converter/sun_usb/matrix.c

@@ -179,12 +179,3 @@ void matrix_print(void)
         print("\n");
     }
 }
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop(matrix[i]);
-    }
-    return count;
-}

keyboards/converter/usb_usb/custom_matrix.cpp

@@ -225,18 +225,6 @@ extern "C"
         return row_bits;
     }
 
-    uint8_t matrix_key_count(void) {
-        uint8_t count = 0;
-
-        count += bitpop(local_keyboard_report.mods);
-        for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
-            if (IS_ANY(local_keyboard_report.keys[i])) {
-                count++;
-            }
-        }
-        return count;
-    }
-
     void matrix_print(void) {
         print("\nr/c 0123456789ABCDEF\n");
         for (uint8_t row = 0; row < matrix_rows(); row++) {