Remove option (-p) that does not work in Linux/ARM64/clang

Author: asfernandes

builds/posix/prefix.linux_arm64

@@ -23,5 +23,5 @@
 #PROD_FLAGS=-ggdb -O3 -fno-omit-frame-pointer -DLINUX -pipe -MMD -fPIC
 #DEV_FLAGS=-ggdb -DLINUX -DDEBUG_GDS_ALLOC -pipe -MMD -p -fPIC -Wall -Wno-switch
 
-PROD_FLAGS=-O3 -DLINUX -DARM64 -pipe -p -MMD -fPIC -fsigned-char -fmessage-length=0
-DEV_FLAGS=-ggdb -DLINUX -DARM64 -pipe -p -MMD -fPIC -Wall -fsigned-char -fmessage-length=0 -Wno-non-virtual-dtor
+PROD_FLAGS=-O3 -DLINUX -DARM64 -pipe -MMD -fPIC -fsigned-char -fmessage-length=0
+DEV_FLAGS=-ggdb -DLINUX -DARM64 -pipe -MMD -fPIC -Wall -fsigned-char -fmessage-length=0 -Wno-non-virtual-dtor