I2C driver cleanup (#21273)

* remove i2c_start and i2c_stop from i2c drivers

* remove static i2c_address variable from chibios i2c driver

drivers/sensors/cirque_pinnacle_i2c.c

@@ -19,7 +19,6 @@ void RAP_ReadBytes(uint8_t address, uint8_t* data, uint8_t count) {
             pd_dprintf("error cirque_pinnacle i2c_read_register\n");
             touchpad_init = false;
         }
-        i2c_stop();
     }
 }
 
@@ -32,6 +31,5 @@ void RAP_Write(uint8_t address, uint8_t data) {
             pd_dprintf("error cirque_pinnacle i2c_write_register\n");
             touchpad_init = false;
         }
-        i2c_stop();
     }
 }