fix docker build warnings in dockerfile-nogit (#2518)

dockerfile-nogit

@@ -3,7 +3,7 @@ FROM ubuntu:noble
 # Set location to download ARM toolkit from.
 # This will need to be changed over time or replaced with a static link to the latest release.
 ENV ARMBINURL=https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2019q4/gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2?revision=108bd959-44bd-4619-9c19-26187abf5225&la=en&hash=E788CE92E5DFD64B2A8C246BBA91A249CB8E2D2D \
-	PATH=$HOME/bin:$PATH:/opt/build/armbin/bin
+	PATH=$PATH:/opt/build/armbin/bin
 
 #Create volume /havoc/bin for compiled firmware binaries
 VOLUME /havoc
@@ -15,8 +15,8 @@ RUN apt-get update \
  && apt-get -qy autoremove \
  && rm -rf /var/lib/apt/lists/*
 
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LANG=C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 # Grab the GNU ARM toolchain from arm.com
 # Then extract contents to /opt/build/armbin/