port: don't use cv2pdb by default if it exists

Makefile.port

@@ -154,13 +154,6 @@ ifneq (,$(findstring windows,$(TARGET_PLATFORM)))
   TARGET_LDFLAGS := $(shell pkg-config sdl2 --libs) -lz -lopengl32 -static-libstdc++ -ldbghelp
   # on windows/mingw we need this to be built with a 32-bit compiler so it finds the correct libs
   TOOLCHAIN ?= i686-w64-mingw32-
-  # check if cv2pdb is present
-  ifeq ($(CV2PDB),)
-    CV2PDB := cv2pdb
-    ifeq (,$(shell which cv2pdb 2>/dev/null))
-      CV2PDB :=
-    endif
-  endif
 else # assume *nix
   TARGET_CFLAGS := $(shell pkg-config sdl2 --cflags-only-I)
   TARGET_LDFLAGS := $(shell pkg-config sdl2 --libs) -lGL -lz -ldl