TFM: Remove ARM Compiler 5 considerations

ARM Compiler 5 is no longer actively supported and was superseded in
Mbed OS by ARM Compiler 6.

Author: hugueskamba

components/TARGET_PSA/TARGET_TFM/COMPONENT_SPE/secure_fw/core/tfm_core.c

@@ -27,7 +27,7 @@
  * Avoids the semihosting issue
  * FixMe: describe 'semihosting issue'
  */
-#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+#if defined(__ARMCC_VERSION)
 __asm("  .global __ARM_use_no_argv\n");
 #endif