Remove strip because it breaks compilation of math-neon and probably …

[kouta-kun]

…every static library too.

When linking with packages created via vita-makepkg, you get something along the lines of

[ 96%] Linking CXX executable DaedalusX64.elf
/usr/local/vitasdk/bin/../lib/gcc/arm-vita-eabi/9.1.0/../../../../arm-vita-eabi/bin/ld: /tmp/DaedalusX64.elf.1DDMpe.ltrans0.ltrans.o: in function `vglDrawObjects':
<artificial>:(.text+0x826e): undefined reference to `matmul4_neon'
/usr/local/vitasdk/bin/../lib/gcc/arm-vita-eabi/9.1.0/../../../../arm-vita-eabi/bin/ld: /tmp/DaedalusX64.elf.1DDMpe.ltrans2.ltrans.o: in function `BaseRenderer::InsertMatrix(unsigned long, unsigned long)':
<artificial>:(.text+0x2470): undefined reference to `matmul4_neon'
/usr/local/vitasdk/bin/../lib/gcc/arm-vita-eabi/9.1.0/../../../../arm-vita-eabi/bin/ld: /tmp/DaedalusX64.elf.1DDMpe.ltrans2.ltrans.o: in function `BaseRenderer::SetWorldView(unsigned long, bool, bool)':
<artificial>:(.text+0x2840): undefined reference to `matmul4_neon'
/usr/local/vitasdk/bin/../lib/gcc/arm-vita-eabi/9.1.0/../../../../arm-vita-eabi/bin/ld: <artificial>:(.text+0x2884): undefined reference to `matmul4_neon'
/usr/local/vitasdk/bin/../lib/gcc/arm-vita-eabi/9.1.0/../../../../arm-vita-eabi/bin/ld: /tmp/DaedalusX64.elf.1DDMpe.ltrans2.ltrans.o: in function `BaseRenderer::SetProjection(unsigned long, bool)':
<artificial>:(.text+0x28f2): undefined reference to `matmul4_neon'
/usr/local/vitasdk/bin/../lib/gcc/arm-vita-eabi/9.1.0/../../../../arm-vita-eabi/bin/ld: /tmp/DaedalusX64.elf.1DDMpe.ltrans2.ltrans.o:<artificial>:(.text+0x2de6): more undefined references to `matmul4_neon' follow
collect2: error: ld returned 1 exit status

[frangarcj]

Create an issue if you have problems with this.

Thanks