refactor: format.h header file made deprecated

test/runtime/almost_equals.h

@@ -27,7 +27,6 @@
 #ifdef MP_UNITS_MODULES
 import mp_units;
 #else
-#include <mp-units/format.h>
 #include <mp-units/framework/quantity.h>
 #endif
 

test/runtime/fmt_test.cpp

@@ -40,7 +40,6 @@ import std;
 import mp_units;
 #else
 #include <mp-units/cartesian_vector.h>
-#include <mp-units/format.h>
 #include <mp-units/ostream.h>  // IWYU pragma: keep
 #include <mp-units/systems/cgs.h>
 #include <mp-units/systems/isq/electromagnetism.h>

test/runtime/linear_algebra_test.cpp

@@ -32,7 +32,6 @@ import std;
 #ifdef MP_UNITS_MODULES
 import mp_units;
 #else
-#include <mp-units/format.h>
 #include <mp-units/math.h>
 #include <mp-units/ostream.h>  // IWYU pragma: keep
 #include <mp-units/systems/isq/mechanics.h>