Remove binary info header, was crashing picotool (#831)

Because OTA has changed the flash map from standard, picotool ends up
crashing or hanging while trying to operate on the current built files.

Remove the binary_info calls and structures completely to avoid any
issue.

Fixes #803

lib/memmap_default.ld

@@ -132,15 +132,6 @@ SECTIONS
     } > FLASH
     __exidx_end = .;
 
-    /* Machine inspectable binary information */
-    . = ALIGN(4);
-    __binary_info_start = .;
-    .binary_info :
-    {
-        KEEP(*(.binary_info.keep.*))
-        *(.binary_info.*)
-    } > FLASH
-    __binary_info_end = .;
     . = ALIGN(4);
 
     /* End of .text-like segments */

ota/CMakeLists.txt

@@ -44,6 +44,7 @@ target_compile_definitions(ota PUBLIC
         LFS_NO_MALLOC=1
         PICO_PANIC_FUNCTION=
         PICO_TIME_DEFAULT_ALARM_POOL_DISABLED=1
+        PICO_NO_BINARY_INFO=1
 )
 
 target_compile_options(ota PUBLIC

ota/memmap_ota.ld

@@ -84,15 +84,6 @@ SECTIONS
     } > FLASH
     __exidx_end = .;
 
-    /* Machine inspectable binary information */
-    . = ALIGN(4);
-    __binary_info_start = .;
-    .binary_info :
-    {
-        KEEP(*(.binary_info.keep.*))
-        *(.binary_info.*)
-    } > FLASH
-    __binary_info_end = .;
     . = ALIGN(4);
 
     /* Vector table goes first in RAM, to avoid large alignment hole */

tools/libpico/CMakeLists.txt

@@ -31,6 +31,7 @@ target_compile_definitions(pico PUBLIC
         PICO_RP2040_B0_SUPPORTED=1
         PICO_RP2040_B1_SUPPORTED=1
         PICO_RP2040_B2_SUPPORTED=1
+        PICO_NO_BINARY_INFO=1
 )
 
 target_compile_options(pico PUBLIC