Revert of Temporarily restore make dependencies (patchset #1 id:1 of...

Revert of Temporarily restore make dependencies (patchset #1 id:1 of https://codereview.chromium.org/733203008/)

Reason for revert:
make dependencies is stale now, and everybody should have switched over

Original issue's description:
> Temporarily restore make dependencies
>
> We will remove dependencies in about a week again.
>
> BUG=none
> R=machenbach@chromium.org
> LOG=y

TBR=machenbach@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=none

Review URL: https://codereview.chromium.org/791813007

Cr-Commit-Position: refs/heads/master@{#26134}

Makefile

@@ -213,8 +213,6 @@ ifeq ($(arm_test_noprobe), on)
 endif
 
 # ----------------- available targets: --------------------
-# - "builddeps": pulls in external dependencies for building
-# - "dependencies": pulls in all external dependencies
 # - "grokdump": rebuilds heap constants lists used by grokdump
 # - any arch listed in ARCHES (see below)
 # - any mode listed in MODES
@@ -497,26 +495,5 @@ GPATH GRTAGS GSYMS GTAGS: gtags.files $(shell cat gtags.files 2> /dev/null)
 gtags.clean:
 	rm -f gtags.files GPATH GRTAGS GSYMS GTAGS
 
-# Dependencies. "builddeps" are dependencies required solely for building,
-# "dependencies" includes also dependencies required for development.
-# Remember to keep these in sync with the DEPS file.
-builddeps:
-	svn checkout --force https://gyp.googlecode.com/svn/trunk build/gyp \
-	    --revision 1831
-	if svn info third_party/icu 2>&1 | grep -q icu46 ; then \
-	  svn switch --force \
-	      https://src.chromium.org/chrome/trunk/deps/third_party/icu52 \
-	      third_party/icu --revision 277999 ; \
-	else \
-	  svn checkout --force \
-	      https://src.chromium.org/chrome/trunk/deps/third_party/icu52 \
-	      third_party/icu --revision 277999 ; \
-	fi
-	svn checkout --force https://googletest.googlecode.com/svn/trunk \
-	    testing/gtest --revision 692
-	svn checkout --force https://googlemock.googlecode.com/svn/trunk \
-	    testing/gmock --revision 485
-
-dependencies: builddeps
-	# The spec is a copy of the hooks in v8's DEPS file.
-	gclient sync -r fb782d4369d5ae04f17a2fceef7de5a63e50f07b --spec="solutions = [{u'managed': False, u'name': u'buildtools', u'url': u'https://chromium.googlesource.com/chromium/buildtools.git', u'custom_deps': {}, u'custom_hooks': [{u'name': u'clang_format_win',u'pattern': u'.',u'action': [u'download_from_google_storage',u'--no_resume',u'--platform=win32',u'--no_auth',u'--bucket',u'chromium-clang-format',u'-s',u'buildtools/win/clang-format.exe.sha1']},{u'name': u'clang_format_mac',u'pattern': u'.',u'action': [u'download_from_google_storage',u'--no_resume',u'--platform=darwin',u'--no_auth',u'--bucket',u'chromium-clang-format',u'-s',u'buildtools/mac/clang-format.sha1']},{u'name': u'clang_format_linux',u'pattern': u'.',u'action': [u'download_from_google_storage',u'--no_resume',u'--platform=linux*',u'--no_auth',u'--bucket',u'chromium-clang-format',u'-s',u'buildtools/linux64/clang-format.sha1']}],u'deps_file': u'.DEPS.git', u'safesync_url': u''}]"
+dependencies builddeps:
+	$(error Use 'gclient sync' instead)