stm32u385rgtxq in LQFP64/68 package pin not available

Remove the SAI1_FA_A pin on PB9 and PE4 on a stm32u385rg
in LQFP 64/68 package. See datasheet DS14830

Signed-off-by: F. Ramu <francois.ramu@st.com>

Author: FRASTM

dts/st/u3/stm32u385rgtxq-pinctrl.dtsi

@@ -920,14 +920,6 @@
 				pinmux = <STM32_PINMUX('A', 9, AF13)>;
 			};
 
-			/omit-if-no-ref/ sai1_fs_a_pb9: sai1_fs_a_pb9 {
-				pinmux = <STM32_PINMUX('B', 9, AF13)>;
-			};
-
-			/omit-if-no-ref/ sai1_fs_a_pe4: sai1_fs_a_pe4 {
-				pinmux = <STM32_PINMUX('E', 4, AF13)>;
-			};
-
 			/omit-if-no-ref/ sai1_d1_pa10: sai1_d1_pa10 {
 				pinmux = <STM32_PINMUX('A', 10, AF3)>;
 			};