Revert "Add flags to build prometheus statically"

This reverts commit 0e9e3e068d.

Not only do we know this to produce problematic artifacts, it refuses
to build on Mac OS X.

    TMPDIR=/tmp GOROOT=/Users/mattproud/Development/go/src/github.com/prometheus/prometheus/.build/root/go GOPATH=/Users/mattproud/Development/go/src/github.com/prometheus/prometheus/.build/root/gopath /Users/mattproud/Development/go/src/github.com/prometheus/prometheus/.build/root/go/bin/go build -o prometheus -ldflags " -X main.buildVersion c7052ed -X main.buildBranch refactor/storage/modify-append-signature -X main.buildUser mattproud@Berlin.local -X main.buildDate 20130815-11:15:49 -X main.goVersion 1.1 -X main.leveldbVersion 1.12.0 -X main.protobufVersion 2.5.0 -X main.snappyVersion 1.1.0 -linkmode external -extldflags '-lstdc++ -lpthread -static /Users/mattproud/Development/go/src/github.com/prometheus/prometheus/.build/root/lib/libleveldb.a /Users/mattproud/Development/go/src/github.com/prometheus/prometheus/.build/root/lib/libsnappy.a'" .
    # _/Users/mattproud/Development/go/src/github.com/prometheus/prometheus
    ld: library not found for -lcrt0.o

Change-Id: I4f42161aebfd35a6f09cd7f984b78cc4498774aa

.gitignore

@@ -9,7 +9,6 @@
 *.pyc
 *.rej
 *.so
-*.tar.gz
 *~
 .*.swp
 .DS_Store

Makefile

@@ -34,11 +34,6 @@ build: config dependencies model preparation tools web
 docker: build
 	docker build -t prometheus:$(REV) .
 
-tarball: build prometheus-$(REV).tar.gz
-
-prometheus-$(REV).tar.gz:
-	tar -czf prometheus-$(REV).tar.gz prometheus
-
 $(BUILD_PATH)/cache/$(GOPKG):
 	curl -o $@ http://go.googlecode.com/files/$(GOPKG)
 

Makefile.INCLUDE

@@ -89,9 +89,6 @@ BUILDFLAGS := -ldflags \
 		-X main.goVersion $(GO_VERSION)\
 		-X main.leveldbVersion $(LEVELDB_VERSION)\
 		-X main.protobufVersion $(PROTOCOL_BUFFERS_VERSION)\
-		-X main.snappyVersion $(SNAPPY_VERSION)\
-		-linkmode external\
-		-extldflags '-lstdc++ -lpthread -static\
-		$(PREFIX)/lib/libleveldb.a $(PREFIX)/lib/libsnappy.a'"
+		-X main.snappyVersion $(SNAPPY_VERSION)"
 
 PROTOC := $(LOCAL_BINARIES)/protoc