Remove GCCE-specific def file for libstdcpp.dll - it's not binary compatible with the EABI one anyway (Bug 2971)
algorithm
bitset
complex
deque
fstream
functional
hash_map
hash_set
iomanip
ios
iosfwd
iostream
istream
iterator
limits
list
locale
map
memory
numeric
ostream
pthread_alloc
queue
set
slist
sstream
stack
stdexcept
streambuf
string
strstream
utility
valarray
vector