[Core] Remove matrix_is_modified() and debounce_is_active() (#15349)

quantum/debounce.h

@@ -6,8 +6,6 @@
 // changed is true if raw has changed since the last call
 void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed);
 
-bool debounce_active(void);
-
 void debounce_init(uint8_t num_rows);
 
 void debounce_free(void);

quantum/debounce/asym_eager_defer_pk.c

@@ -165,7 +165,6 @@ static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], ui
     }
 }
 
-bool debounce_active(void) { return true; }
 #else
 #    include "none.c"
 #endif

quantum/debounce/none.c

@@ -26,6 +26,4 @@ void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool
     }
 }
 
-bool debounce_active(void) { return false; }
-
 void debounce_free(void) {}

quantum/debounce/sym_defer_g.c

@@ -44,8 +44,6 @@ void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool
     }
 }
 
-bool debounce_active(void) { return debouncing; }
-
 void debounce_free(void) {}
 #else  // no debouncing.
 #    include "none.c"

quantum/debounce/sym_defer_pk.c

@@ -134,7 +134,6 @@ static void start_debounce_counters(matrix_row_t raw[], matrix_row_t cooked[], u
     }
 }
 
-bool debounce_active(void) { return true; }
 #else
 #    include "none.c"
 #endif

quantum/debounce/sym_eager_pk.c

@@ -140,7 +140,6 @@ static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], ui
     }
 }
 
-bool debounce_active(void) { return true; }
 #else
 #    include "none.c"
 #endif

quantum/debounce/sym_eager_pr.c

@@ -132,7 +132,6 @@ static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], ui
     }
 }
 
-bool debounce_active(void) { return true; }
 #else
 #    include "none.c"
 #endif

quantum/matrix.h

@@ -46,8 +46,6 @@ void matrix_setup(void);
 void matrix_init(void);
 /* scan all key states on matrix */
 uint8_t matrix_scan(void);
-/* whether modified from previous scan. used after matrix_scan. */
-bool matrix_is_modified(void) __attribute__((deprecated));
 /* whether a switch is on */
 bool matrix_is_on(uint8_t row, uint8_t col);
 /* matrix state on row */

quantum/matrix_common.c

@@ -45,12 +45,6 @@ inline matrix_row_t matrix_get_row(uint8_t row) {
 #endif
 }
 
-// Deprecated.
-bool matrix_is_modified(void) {
-    if (debounce_active()) return false;
-    return true;
-}
-
 #if (MATRIX_COLS <= 8)
 #    define print_matrix_header() print("\nr/c 01234567\n")
 #    define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))