Fix more code style issues (reported by Codacy)

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Author: stweil

INSTALL.GIT.md

@@ -38,7 +38,6 @@ all languages).
 
     git clone https://github.com/tesseract-ocr/tessdata.git tesseract-ocr.tessdata
 
-
 You need an Internet connection and [curl](https://curl.haxx.se/) to compile `ScrollView.jar`
 because the build will automatically download
 [piccolo2d-core-3.0.1.jar](https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-core/3.0.1/piccolo2d-core-3.0.1.jar) and

unittest/README.md

@@ -1,9 +1,9 @@
 # Unit Testing for Tesseract
 
-
 ## Requirements
 
 ### Files and structure
+
 ```
 
 ├── langdata_lstm