config: Remove 19.1/20.0 support

Change-Id: I27103c1c93eef4c75b06de9320003de01376f659

Author: mikeNG

README.mkdn

@@ -33,16 +33,12 @@ Export the following environment variables to set the API keys and the base path
 Each LineageOS version requires a different environment variable set for the base path that depends on the branch name:
 
     export LINEAGE_CROWDIN_API_TOKEN=your_api_token
-    export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_19_1=your_19.1_base_path
-    export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_20_0=your_20.0_base_path
     export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_21_0=your_21.0_base_path
     export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_22_2=your_22.2_base_path
 
 Example:
 
     export LINEAGE_CROWDIN_API_TOKEN=1234567890
-    export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_19_1=/mnt/android/lineageos/lineage-19.1
-    export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_20_0=/mnt/android/lineageos/lineage-20.0
     export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_21_0=/mnt/android/lineageos/lineage-21.0
     export LINEAGE_CROWDIN_BASE_PATH_LINEAGE_22_2=/mnt/android/lineageos/lineage-22.2