Fix NSRangeException when removing load command

[BarakAharoni]

Fix exception when removing load command by validate name's range offset is in binary bounds.

Reproduce: ./optool uninstall -c load -p "{path_to_lc}"-t {target_binary}

Found thin header...
removing payload from LC_LOAD_UPWARD_DYLIB...
*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[NSConcreteMutableData subdataWithRange:]: range {1601335516, 33359580} exceeds data length 93552'
*** First throw call stack:
(
0 CoreFoundation 0x00007ff815ba185e __exceptionPreprocess + 242
1 libobjc.A.dylib 0x00007ff81569467f objc_exception_throw + 48
2 Foundation 0x00007ff816a18a53 -[NSProgress initWithParent:userInfo:] + 0
3 optool 0x0000000102afe11c removeLoadEntryFromBinary + 389
4 optool 0x0000000102afce22 main + 2679
5 dyld 0x0000000202e7f386 start + 1942
)
libc++abi: terminating due to uncaught exception of type NSException
[1] 57846 abort ./optool uninstall -c load -p "{path_to_lc}" -t