Remove unused layout class.

app/src/main/java/org/thoughtcrime/securesms/components/SquareLinearLayout.java

@@ -1,35 +0,0 @@
-package org.thoughtcrime.securesms.components;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.os.Build.VERSION_CODES;
-import android.util.AttributeSet;
-import android.widget.LinearLayout;
-
-public class SquareLinearLayout extends LinearLayout {
-  @SuppressWarnings("unused")
-  public SquareLinearLayout(Context context) {
-    super(context);
-  }
-
-  @SuppressWarnings("unused")
-  public SquareLinearLayout(Context context, AttributeSet attrs) {
-    super(context, attrs);
-  }
-
-  @TargetApi(VERSION_CODES.HONEYCOMB) @SuppressWarnings("unused")
-  public SquareLinearLayout(Context context, AttributeSet attrs, int defStyleAttr) {
-    super(context, attrs, defStyleAttr);
-  }
-
-  @TargetApi(VERSION_CODES.LOLLIPOP) @SuppressWarnings("unused")
-  public SquareLinearLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
-    super(context, attrs, defStyleAttr, defStyleRes);
-  }
-
-  @Override
-  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-    //noinspection SuspiciousNameCombination
-    super.onMeasure(widthMeasureSpec, widthMeasureSpec);
-  }
-}