Removing top level requirements.txt for ones in /build.

requirements.txt

@@ -1,35 +0,0 @@
-aiofiles==0.7.0
-aiohttp==3.7.4.post0
-async-timeout==3.0.1
-attrs==21.2.0
-certifi==2021.5.30
-cffi==1.14.6
-chardet==4.0.0
-charset-normalizer==2.0.4
-future==0.18.2
-httptools==0.2.0
-idna==3.2
-iso8601==0.1.16
-Jinja2==3.0.1
-MarkupSafe==2.0.1
-multidict==5.1.0
-mutagen==1.45.1
-pycparser==2.20
-pygame==2.0.1
-pyserial==3.5
-pyttsx3==2.90
-PyYAML==5.4.1
-requests==2.26.0
-sanic==21.3.4
-Sanic-Cors==1.0.0
-sanic-plugin-toolkit==1.0.1
-sanic-routing==0.7.1
-setproctitle==1.2.2
-sounddevice==0.4.2
-syncer==1.3.0
-typing-extensions==3.10.0.0
-ujson==4.0.2
-urllib3==1.26.6
-uvloop==0.15.3
-websockets==8.1
-yarl==1.6.3